Home / 187,385.40-281,207.70-134,832.60

Finding the Fourth Proportional to 187,385.40, 281,207.70 and 134,832.60

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Solution

The fourth proportional to 187,385.40, 281,207.70 and 134,832.60 is: 202,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,385.40 : 281,207.70 = 134,832.60 : x
  2. Step 2: Convert to fraction form
    187,385.40/281,207.70 = 134,832.60/x
  3. Step 3: Cross multiply
    187,385.40x = 281,207.70 × 134,832.60
  4. Step 4: Simplify right side
    187,385.40x = 37,915,965,331.02
  5. Step 5: Solve for x
    x = 37,915,965,331.02/187,385.40
  6. Step 6: Final answer
    x = 202,342.15

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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.