Home / 157,862.38-217,860.13-89,885.29

Finding the Fourth Proportional to 157,862.38, 217,860.13 and 89,885.29

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Solution

The fourth proportional to 157,862.38, 217,860.13 and 89,885.29 is: 124,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,862.38 : 217,860.13 = 89,885.29 : x
  2. Step 2: Convert to fraction form
    157,862.38/217,860.13 = 89,885.29/x
  3. Step 3: Cross multiply
    157,862.38x = 217,860.13 × 89,885.29
  4. Step 4: Simplify right side
    157,862.38x = 19,582,419,875.19
  5. Step 5: Solve for x
    x = 19,582,419,875.19/157,862.38
  6. Step 6: Final answer
    x = 124,047.42

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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.