Home / 127,860.38-176,375.07-80,030.69

Finding the Fourth Proportional to 127,860.38, 176,375.07 and 80,030.69

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Solution

The fourth proportional to 127,860.38, 176,375.07 and 80,030.69 is: 110,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,860.38 : 176,375.07 = 80,030.69 : x
  2. Step 2: Convert to fraction form
    127,860.38/176,375.07 = 80,030.69/x
  3. Step 3: Cross multiply
    127,860.38x = 176,375.07 × 80,030.69
  4. Step 4: Simplify right side
    127,860.38x = 14,115,418,550.90
  5. Step 5: Solve for x
    x = 14,115,418,550.90/127,860.38
  6. Step 6: Final answer
    x = 110,397.13

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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.