Home / 124,955.29-172,368.21-76,580.66

Finding the Fourth Proportional to 124,955.29, 172,368.21 and 76,580.66

Calculator

Solution

The fourth proportional to 124,955.29, 172,368.21 and 76,580.66 is: 105,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,955.29 : 172,368.21 = 76,580.66 : x
  2. Step 2: Convert to fraction form
    124,955.29/172,368.21 = 76,580.66/x
  3. Step 3: Cross multiply
    124,955.29x = 172,368.21 × 76,580.66
  4. Step 4: Simplify right side
    124,955.29x = 13,200,070,422.98
  5. Step 5: Solve for x
    x = 13,200,070,422.98/124,955.29
  6. Step 6: Final answer
    x = 105,638.35

Related Problems

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.