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Finding the Fourth Proportional to 159,879.98, 220,634.70 and 88,260.10

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Solution

The fourth proportional to 159,879.98, 220,634.70 and 88,260.10 is: 121,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,879.98 : 220,634.70 = 88,260.10 : x
  2. Step 2: Convert to fraction form
    159,879.98/220,634.70 = 88,260.10/x
  3. Step 3: Cross multiply
    159,879.98x = 220,634.70 × 88,260.10
  4. Step 4: Simplify right side
    159,879.98x = 19,473,240,685.47
  5. Step 5: Solve for x
    x = 19,473,240,685.47/159,879.98
  6. Step 6: Final answer
    x = 121,799.12

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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.