Home / 90,480.20-135,764.46-63,996.35

Finding the Fourth Proportional to 90,480.20, 135,764.46 and 63,996.35

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Solution

The fourth proportional to 90,480.20, 135,764.46 and 63,996.35 is: 96,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,480.20 : 135,764.46 = 63,996.35 : x
  2. Step 2: Convert to fraction form
    90,480.20/135,764.46 = 63,996.35/x
  3. Step 3: Cross multiply
    90,480.20x = 135,764.46 × 63,996.35
  4. Step 4: Simplify right side
    90,480.20x = 8,688,429,220.90
  5. Step 5: Solve for x
    x = 8,688,429,220.90/90,480.20
  6. Step 6: Final answer
    x = 96,025.76

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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.