Home / 178,085.62-267,127.82-72,904.69

Finding the Fourth Proportional to 178,085.62, 267,127.82 and 72,904.69

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Solution

The fourth proportional to 178,085.62, 267,127.82 and 72,904.69 is: 109,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,085.62 : 267,127.82 = 72,904.69 : x
  2. Step 2: Convert to fraction form
    178,085.62/267,127.82 = 72,904.69/x
  3. Step 3: Cross multiply
    178,085.62x = 267,127.82 × 72,904.69
  4. Step 4: Simplify right side
    178,085.62x = 19,474,869,207.31
  5. Step 5: Solve for x
    x = 19,474,869,207.31/178,085.62
  6. Step 6: Final answer
    x = 109,356.78

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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.