Home / 149,902.30-224,742.23-90,723.90

Finding the Fourth Proportional to 149,902.30, 224,742.23 and 90,723.90

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Solution

The fourth proportional to 149,902.30, 224,742.23 and 90,723.90 is: 136,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,902.30 : 224,742.23 = 90,723.90 : x
  2. Step 2: Convert to fraction form
    149,902.30/224,742.23 = 90,723.90/x
  3. Step 3: Cross multiply
    149,902.30x = 224,742.23 × 90,723.90
  4. Step 4: Simplify right side
    149,902.30x = 20,389,491,600.30
  5. Step 5: Solve for x
    x = 20,389,491,600.30/149,902.30
  6. Step 6: Final answer
    x = 136,018.54

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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.