Home / 101,767.20-140,508.24-63,584.88

Finding the Fourth Proportional to 101,767.20, 140,508.24 and 63,584.88

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Solution

The fourth proportional to 101,767.20, 140,508.24 and 63,584.88 is: 87,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,767.20 : 140,508.24 = 63,584.88 : x
  2. Step 2: Convert to fraction form
    101,767.20/140,508.24 = 63,584.88/x
  3. Step 3: Cross multiply
    101,767.20x = 140,508.24 × 63,584.88
  4. Step 4: Simplify right side
    101,767.20x = 8,934,199,579.41
  5. Step 5: Solve for x
    x = 8,934,199,579.41/101,767.20
  6. Step 6: Final answer
    x = 87,790.56

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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.