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Finding the Fourth Proportional to 60,239.59, 90,363.81 and 15,866.02

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Solution

The fourth proportional to 60,239.59, 90,363.81 and 15,866.02 is: 23,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,239.59 : 90,363.81 = 15,866.02 : x
  2. Step 2: Convert to fraction form
    60,239.59/90,363.81 = 15,866.02/x
  3. Step 3: Cross multiply
    60,239.59x = 90,363.81 × 15,866.02
  4. Step 4: Simplify right side
    60,239.59x = 1,433,713,680.89
  5. Step 5: Solve for x
    x = 1,433,713,680.89/60,239.59
  6. Step 6: Final answer
    x = 23,800.19

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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.