Home / 187,731.28-281,593.89-45,577.69

Finding the Fourth Proportional to 187,731.28, 281,593.89 and 45,577.69

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Solution

The fourth proportional to 187,731.28, 281,593.89 and 45,577.69 is: 68,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,731.28 : 281,593.89 = 45,577.69 : x
  2. Step 2: Convert to fraction form
    187,731.28/281,593.89 = 45,577.69/x
  3. Step 3: Cross multiply
    187,731.28x = 281,593.89 × 45,577.69
  4. Step 4: Simplify right side
    187,731.28x = 12,834,399,024.31
  5. Step 5: Solve for x
    x = 12,834,399,024.31/187,731.28
  6. Step 6: Final answer
    x = 68,365.80

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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.