Home / 150,665.28-207,924.60-90,245.76

Finding the Fourth Proportional to 150,665.28, 207,924.60 and 90,245.76

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Solution

The fourth proportional to 150,665.28, 207,924.60 and 90,245.76 is: 124,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,665.28 : 207,924.60 = 90,245.76 : x
  2. Step 2: Convert to fraction form
    150,665.28/207,924.60 = 90,245.76/x
  3. Step 3: Cross multiply
    150,665.28x = 207,924.60 × 90,245.76
  4. Step 4: Simplify right side
    150,665.28x = 18,764,313,549.70
  5. Step 5: Solve for x
    x = 18,764,313,549.70/150,665.28
  6. Step 6: Final answer
    x = 124,543.05

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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.