Home / 228,979.76-315,932.28-132,159.92

Finding the Fourth Proportional to 228,979.76, 315,932.28 and 132,159.92

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Solution

The fourth proportional to 228,979.76, 315,932.28 and 132,159.92 is: 182,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,979.76 : 315,932.28 = 132,159.92 : x
  2. Step 2: Convert to fraction form
    228,979.76/315,932.28 = 132,159.92/x
  3. Step 3: Cross multiply
    228,979.76x = 315,932.28 × 132,159.92
  4. Step 4: Simplify right side
    228,979.76x = 41,753,584,850.22
  5. Step 5: Solve for x
    x = 41,753,584,850.22/228,979.76
  6. Step 6: Final answer
    x = 182,346.18

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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.