Home / 187,341.75-281,104.89-87,487.43

Finding the Fourth Proportional to 187,341.75, 281,104.89 and 87,487.43

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Solution

The fourth proportional to 187,341.75, 281,104.89 and 87,487.43 is: 131,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,341.75 : 281,104.89 = 87,487.43 : x
  2. Step 2: Convert to fraction form
    187,341.75/281,104.89 = 87,487.43/x
  3. Step 3: Cross multiply
    187,341.75x = 281,104.89 × 87,487.43
  4. Step 4: Simplify right side
    187,341.75x = 24,593,142,652.93
  5. Step 5: Solve for x
    x = 24,593,142,652.93/187,341.75
  6. Step 6: Final answer
    x = 131,274.22

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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.