Home / 90,276.24-135,446.76-40,352.16

Finding the Fourth Proportional to 90,276.24, 135,446.76 and 40,352.16

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Solution

The fourth proportional to 90,276.24, 135,446.76 and 40,352.16 is: 60,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,276.24 : 135,446.76 = 40,352.16 : x
  2. Step 2: Convert to fraction form
    90,276.24/135,446.76 = 40,352.16/x
  3. Step 3: Cross multiply
    90,276.24x = 135,446.76 × 40,352.16
  4. Step 4: Simplify right side
    90,276.24x = 5,465,569,331.00
  5. Step 5: Solve for x
    x = 5,465,569,331.00/90,276.24
  6. Step 6: Final answer
    x = 60,542.72

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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.