Home / 124,862.32-172,301.21-76,472.38

Finding the Fourth Proportional to 124,862.32, 172,301.21 and 76,472.38

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Solution

The fourth proportional to 124,862.32, 172,301.21 and 76,472.38 is: 105,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,862.32 : 172,301.21 = 76,472.38 : x
  2. Step 2: Convert to fraction form
    124,862.32/172,301.21 = 76,472.38/x
  3. Step 3: Cross multiply
    124,862.32x = 172,301.21 × 76,472.38
  4. Step 4: Simplify right side
    124,862.32x = 13,176,283,223.22
  5. Step 5: Solve for x
    x = 13,176,283,223.22/124,862.32
  6. Step 6: Final answer
    x = 105,526.50

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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.