Home / 178,454.34-267,811.11-143,812.26

Finding the Fourth Proportional to 178,454.34, 267,811.11 and 143,812.26

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Solution

The fourth proportional to 178,454.34, 267,811.11 and 143,812.26 is: 215,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,454.34 : 267,811.11 = 143,812.26 : x
  2. Step 2: Convert to fraction form
    178,454.34/267,811.11 = 143,812.26/x
  3. Step 3: Cross multiply
    178,454.34x = 267,811.11 × 143,812.26
  4. Step 4: Simplify right side
    178,454.34x = 38,514,520,982.21
  5. Step 5: Solve for x
    x = 38,514,520,982.21/178,454.34
  6. Step 6: Final answer
    x = 215,822.83

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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.