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Finding the Fourth Proportional to 177,540.80, 265,965.60 and 107,211.20

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Solution

The fourth proportional to 177,540.80, 265,965.60 and 107,211.20 is: 160,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,540.80 : 265,965.60 = 107,211.20 : x
  2. Step 2: Convert to fraction form
    177,540.80/265,965.60 = 107,211.20/x
  3. Step 3: Cross multiply
    177,540.80x = 265,965.60 × 107,211.20
  4. Step 4: Simplify right side
    177,540.80x = 28,514,491,134.72
  5. Step 5: Solve for x
    x = 28,514,491,134.72/177,540.80
  6. Step 6: Final answer
    x = 160,608.10

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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.