Home / 127,861.88-176,377.14-80,032.20

Finding the Fourth Proportional to 127,861.88, 176,377.14 and 80,032.20

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Solution

The fourth proportional to 127,861.88, 176,377.14 and 80,032.20 is: 110,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,861.88 : 176,377.14 = 80,032.20 : x
  2. Step 2: Convert to fraction form
    127,861.88/176,377.14 = 80,032.20/x
  3. Step 3: Cross multiply
    127,861.88x = 176,377.14 × 80,032.20
  4. Step 4: Simplify right side
    127,861.88x = 14,115,850,543.91
  5. Step 5: Solve for x
    x = 14,115,850,543.91/127,861.88
  6. Step 6: Final answer
    x = 110,399.21

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1.5x scale

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.