Home / 157,134.29-216,850.21-89,154.13

Finding the Fourth Proportional to 157,134.29, 216,850.21 and 89,154.13

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Solution

The fourth proportional to 157,134.29, 216,850.21 and 89,154.13 is: 123,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,134.29 : 216,850.21 = 89,154.13 : x
  2. Step 2: Convert to fraction form
    157,134.29/216,850.21 = 89,154.13/x
  3. Step 3: Cross multiply
    157,134.29x = 216,850.21 × 89,154.13
  4. Step 4: Simplify right side
    157,134.29x = 19,333,091,812.87
  5. Step 5: Solve for x
    x = 19,333,091,812.87/157,134.29
  6. Step 6: Final answer
    x = 123,035.47

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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.