Home / 178,115.77-267,207.27-71,508.07

Finding the Fourth Proportional to 178,115.77, 267,207.27 and 71,508.07

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Solution

The fourth proportional to 178,115.77, 267,207.27 and 71,508.07 is: 107,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,115.77 : 267,207.27 = 71,508.07 : x
  2. Step 2: Convert to fraction form
    178,115.77/267,207.27 = 71,508.07/x
  3. Step 3: Cross multiply
    178,115.77x = 267,207.27 × 71,508.07
  4. Step 4: Simplify right side
    178,115.77x = 19,107,476,167.67
  5. Step 5: Solve for x
    x = 19,107,476,167.67/178,115.77
  6. Step 6: Final answer
    x = 107,275.60

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1.5x scale

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.