Home / 149,614.70-224,310.45-90,437.90

Finding the Fourth Proportional to 149,614.70, 224,310.45 and 90,437.90

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Solution

The fourth proportional to 149,614.70, 224,310.45 and 90,437.90 is: 135,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,614.70 : 224,310.45 = 90,437.90 : x
  2. Step 2: Convert to fraction form
    149,614.70/224,310.45 = 90,437.90/x
  3. Step 3: Cross multiply
    149,614.70x = 224,310.45 × 90,437.90
  4. Step 4: Simplify right side
    149,614.70x = 20,286,166,046.06
  5. Step 5: Solve for x
    x = 20,286,166,046.06/149,614.70
  6. Step 6: Final answer
    x = 135,589.39

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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.