Home / 90,574.20-135,861.26-28,244.70

Finding the Fourth Proportional to 90,574.20, 135,861.26 and 28,244.70

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Solution

The fourth proportional to 90,574.20, 135,861.26 and 28,244.70 is: 42,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,574.20 : 135,861.26 = 28,244.70 : x
  2. Step 2: Convert to fraction form
    90,574.20/135,861.26 = 28,244.70/x
  3. Step 3: Cross multiply
    90,574.20x = 135,861.26 × 28,244.70
  4. Step 4: Simplify right side
    90,574.20x = 3,837,360,389.10
  5. Step 5: Solve for x
    x = 3,837,360,389.10/90,574.20
  6. Step 6: Final answer
    x = 42,367.04

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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.