Home / 149,593.20-224,278.20-90,416.40

Finding the Fourth Proportional to 149,593.20, 224,278.20 and 90,416.40

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Solution

The fourth proportional to 149,593.20, 224,278.20 and 90,416.40 is: 135,557.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,593.20 : 224,278.20 = 90,416.40 : x
  2. Step 2: Convert to fraction form
    149,593.20/224,278.20 = 90,416.40/x
  3. Step 3: Cross multiply
    149,593.20x = 224,278.20 × 90,416.40
  4. Step 4: Simplify right side
    149,593.20x = 20,278,427,442.48
  5. Step 5: Solve for x
    x = 20,278,427,442.48/149,593.20
  6. Step 6: Final answer
    x = 135,557.15

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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.