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Finding the Fourth Proportional to 160,117.56, 220,948.92 and 88,497.57

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Solution

The fourth proportional to 160,117.56, 220,948.92 and 88,497.57 is: 122,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,117.56 : 220,948.92 = 88,497.57 : x
  2. Step 2: Convert to fraction form
    160,117.56/220,948.92 = 88,497.57/x
  3. Step 3: Cross multiply
    160,117.56x = 220,948.92 × 88,497.57
  4. Step 4: Simplify right side
    160,117.56x = 19,553,442,514.12
  5. Step 5: Solve for x
    x = 19,553,442,514.12/160,117.56
  6. Step 6: Final answer
    x = 122,119.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.