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Finding the Fourth Proportional to 159,629.52, 220,284.52 and 88,007.70

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Solution

The fourth proportional to 159,629.52, 220,284.52 and 88,007.70 is: 121,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,629.52 : 220,284.52 = 88,007.70 : x
  2. Step 2: Convert to fraction form
    159,629.52/220,284.52 = 88,007.70/x
  3. Step 3: Cross multiply
    159,629.52x = 220,284.52 × 88,007.70
  4. Step 4: Simplify right side
    159,629.52x = 19,386,733,950.80
  5. Step 5: Solve for x
    x = 19,386,733,950.80/159,629.52
  6. Step 6: Final answer
    x = 121,448.30

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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.