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Finding the Fourth Proportional to 159,812.39, 239,656.25 and 59,918.13

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Solution

The fourth proportional to 159,812.39, 239,656.25 and 59,918.13 is: 89,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,812.39 : 239,656.25 = 59,918.13 : x
  2. Step 2: Convert to fraction form
    159,812.39/239,656.25 = 59,918.13/x
  3. Step 3: Cross multiply
    159,812.39x = 239,656.25 × 59,918.13
  4. Step 4: Simplify right side
    159,812.39x = 14,359,754,492.61
  5. Step 5: Solve for x
    x = 14,359,754,492.61/159,812.39
  6. Step 6: Final answer
    x = 89,853.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.