Home / 149,519.70-224,025.68-90,230.79

Finding the Fourth Proportional to 149,519.70, 224,025.68 and 90,230.79

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Solution

The fourth proportional to 149,519.70, 224,025.68 and 90,230.79 is: 135,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,519.70 : 224,025.68 = 90,230.79 : x
  2. Step 2: Convert to fraction form
    149,519.70/224,025.68 = 90,230.79/x
  3. Step 3: Cross multiply
    149,519.70x = 224,025.68 × 90,230.79
  4. Step 4: Simplify right side
    149,519.70x = 20,214,013,635.53
  5. Step 5: Solve for x
    x = 20,214,013,635.53/149,519.70
  6. Step 6: Final answer
    x = 135,192.98

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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.