Home / 187,390.44-281,086.20-69,010.56

Finding the Fourth Proportional to 187,390.44, 281,086.20 and 69,010.56

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Solution

The fourth proportional to 187,390.44, 281,086.20 and 69,010.56 is: 103,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,390.44 : 281,086.20 = 69,010.56 : x
  2. Step 2: Convert to fraction form
    187,390.44/281,086.20 = 69,010.56/x
  3. Step 3: Cross multiply
    187,390.44x = 281,086.20 × 69,010.56
  4. Step 4: Simplify right side
    187,390.44x = 19,397,916,070.27
  5. Step 5: Solve for x
    x = 19,397,916,070.27/187,390.44
  6. Step 6: Final answer
    x = 103,516.04

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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.