Home / 178,747.43-267,712.74-85,318.79

Finding the Fourth Proportional to 178,747.43, 267,712.74 and 85,318.79

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Solution

The fourth proportional to 178,747.43, 267,712.74 and 85,318.79 is: 127,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,747.43 : 267,712.74 = 85,318.79 : x
  2. Step 2: Convert to fraction form
    178,747.43/267,712.74 = 85,318.79/x
  3. Step 3: Cross multiply
    178,747.43x = 267,712.74 × 85,318.79
  4. Step 4: Simplify right side
    178,747.43x = 22,840,925,705.82
  5. Step 5: Solve for x
    x = 22,840,925,705.82/178,747.43
  6. Step 6: Final answer
    x = 127,783.24

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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.