Home / 187,469.10-281,248.20-61,110.18

Finding the Fourth Proportional to 187,469.10, 281,248.20 and 61,110.18

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Solution

The fourth proportional to 187,469.10, 281,248.20 and 61,110.18 is: 91,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,469.10 : 281,248.20 = 61,110.18 : x
  2. Step 2: Convert to fraction form
    187,469.10/281,248.20 = 61,110.18/x
  3. Step 3: Cross multiply
    187,469.10x = 281,248.20 × 61,110.18
  4. Step 4: Simplify right side
    187,469.10x = 17,187,128,126.68
  5. Step 5: Solve for x
    x = 17,187,128,126.68/187,469.10
  6. Step 6: Final answer
    x = 91,679.79

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1.5x scale

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.