Home / 102,546-153,819-28,674

Finding the Fourth Proportional to 102,546, 153,819 and 28,674

Calculator

Solution

The fourth proportional to 102,546, 153,819 and 28,674 is: 43,011

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,546 : 153,819 = 28,674 : x
  2. Step 2: Convert to fraction form
    102,546/153,819 = 28,674/x
  3. Step 3: Cross multiply
    102,546x = 153,819 × 28,674
  4. Step 4: Simplify right side
    102,546x = 4,410,606,006
  5. Step 5: Solve for x
    x = 4,410,606,006/102,546
  6. Step 6: Final answer
    x = 43,011

Related Problems

Find fourth proportional to 51,273, 76,909.50 and 14,337
Half scale
Find fourth proportional to 205,092, 307,638 and 57,348
Double scale
Find fourth proportional to 102,547, 153,820.50 and 28,675
Similar ratio
Find fourth proportional to 153,819, 230,728.50 and 43,011
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.