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Finding the Fourth Proportional to 159,663.48, 220,337.10 and 88,046.07

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Solution

The fourth proportional to 159,663.48, 220,337.10 and 88,046.07 is: 121,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,663.48 : 220,337.10 = 88,046.07 : x
  2. Step 2: Convert to fraction form
    159,663.48/220,337.10 = 88,046.07/x
  3. Step 3: Cross multiply
    159,663.48x = 220,337.10 × 88,046.07
  4. Step 4: Simplify right side
    159,663.48x = 19,399,815,730.20
  5. Step 5: Solve for x
    x = 19,399,815,730.20/159,663.48
  6. Step 6: Final answer
    x = 121,504.40

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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.