Home / 127,909.62-176,626.71-80,244.90

Finding the Fourth Proportional to 127,909.62, 176,626.71 and 80,244.90

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Solution

The fourth proportional to 127,909.62, 176,626.71 and 80,244.90 is: 110,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,909.62 : 176,626.71 = 80,244.90 : x
  2. Step 2: Convert to fraction form
    127,909.62/176,626.71 = 80,244.90/x
  3. Step 3: Cross multiply
    127,909.62x = 176,626.71 × 80,244.90
  4. Step 4: Simplify right side
    127,909.62x = 14,173,392,681.28
  5. Step 5: Solve for x
    x = 14,173,392,681.28/127,909.62
  6. Step 6: Final answer
    x = 110,807.87

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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.