Home / 99,423.20-149,037.60-88,925.60

Finding the Fourth Proportional to 99,423.20, 149,037.60 and 88,925.60

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Solution

The fourth proportional to 99,423.20, 149,037.60 and 88,925.60 is: 133,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,423.20 : 149,037.60 = 88,925.60 : x
  2. Step 2: Convert to fraction form
    99,423.20/149,037.60 = 88,925.60/x
  3. Step 3: Cross multiply
    99,423.20x = 149,037.60 × 88,925.60
  4. Step 4: Simplify right side
    99,423.20x = 13,253,258,002.56
  5. Step 5: Solve for x
    x = 13,253,258,002.56/99,423.20
  6. Step 6: Final answer
    x = 133,301.46

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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.