Home / 75,077.28-112,640.76-25,180.92

Finding the Fourth Proportional to 75,077.28, 112,640.76 and 25,180.92

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Solution

The fourth proportional to 75,077.28, 112,640.76 and 25,180.92 is: 37,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,077.28 : 112,640.76 = 25,180.92 : x
  2. Step 2: Convert to fraction form
    75,077.28/112,640.76 = 25,180.92/x
  3. Step 3: Cross multiply
    75,077.28x = 112,640.76 × 25,180.92
  4. Step 4: Simplify right side
    75,077.28x = 2,836,397,966.30
  5. Step 5: Solve for x
    x = 2,836,397,966.30/75,077.28
  6. Step 6: Final answer
    x = 37,779.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.