Home / 187,910.11-281,865.17-162,534.21

Finding the Fourth Proportional to 187,910.11, 281,865.17 and 162,534.21

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Solution

The fourth proportional to 187,910.11, 281,865.17 and 162,534.21 is: 243,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,910.11 : 281,865.17 = 162,534.21 : x
  2. Step 2: Convert to fraction form
    187,910.11/281,865.17 = 162,534.21/x
  3. Step 3: Cross multiply
    187,910.11x = 281,865.17 × 162,534.21
  4. Step 4: Simplify right side
    187,910.11x = 45,812,732,081.81
  5. Step 5: Solve for x
    x = 45,812,732,081.81/187,910.11
  6. Step 6: Final answer
    x = 243,801.31

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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.