Home / 151,368-208,894.32-84,300

Finding the Fourth Proportional to 151,368, 208,894.32 and 84,300

Calculator

Solution

The fourth proportional to 151,368, 208,894.32 and 84,300 is: 116,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,368 : 208,894.32 = 84,300 : x
  2. Step 2: Convert to fraction form
    151,368/208,894.32 = 84,300/x
  3. Step 3: Cross multiply
    151,368x = 208,894.32 × 84,300
  4. Step 4: Simplify right side
    151,368x = 17,609,791,176
  5. Step 5: Solve for x
    x = 17,609,791,176/151,368
  6. Step 6: Final answer
    x = 116,337.61

Related Problems

Find fourth proportional to 75,684, 104,447.16 and 42,150
Half scale
Find fourth proportional to 302,736, 417,788.64 and 168,600
Double scale
Find fourth proportional to 151,369, 208,895.70 and 84,301
Similar ratio
Find fourth proportional to 227,052, 313,341.48 and 126,450
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.