Home / 224,976.87-310,546.26-129,521.61

Finding the Fourth Proportional to 224,976.87, 310,546.26 and 129,521.61

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Solution

The fourth proportional to 224,976.87, 310,546.26 and 129,521.61 is: 178,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,976.87 : 310,546.26 = 129,521.61 : x
  2. Step 2: Convert to fraction form
    224,976.87/310,546.26 = 129,521.61/x
  3. Step 3: Cross multiply
    224,976.87x = 310,546.26 × 129,521.61
  4. Step 4: Simplify right side
    224,976.87x = 40,222,451,574.68
  5. Step 5: Solve for x
    x = 40,222,451,574.68/224,976.87
  6. Step 6: Final answer
    x = 178,784.83

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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.