Home / 102,392.17-141,301.85-57,073.03

Finding the Fourth Proportional to 102,392.17, 141,301.85 and 57,073.03

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Solution

The fourth proportional to 102,392.17, 141,301.85 and 57,073.03 is: 78,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,392.17 : 141,301.85 = 57,073.03 : x
  2. Step 2: Convert to fraction form
    102,392.17/141,301.85 = 57,073.03/x
  3. Step 3: Cross multiply
    102,392.17x = 141,301.85 × 57,073.03
  4. Step 4: Simplify right side
    102,392.17x = 8,064,524,513.53
  5. Step 5: Solve for x
    x = 8,064,524,513.53/102,392.17
  6. Step 6: Final answer
    x = 78,761.15

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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.