Home / 149,518.46-224,023.80-90,229.54

Finding the Fourth Proportional to 149,518.46, 224,023.80 and 90,229.54

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Solution

The fourth proportional to 149,518.46, 224,023.80 and 90,229.54 is: 135,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,518.46 : 224,023.80 = 90,229.54 : x
  2. Step 2: Convert to fraction form
    149,518.46/224,023.80 = 90,229.54/x
  3. Step 3: Cross multiply
    149,518.46x = 224,023.80 × 90,229.54
  4. Step 4: Simplify right side
    149,518.46x = 20,213,564,531.96
  5. Step 5: Solve for x
    x = 20,213,564,531.96/149,518.46
  6. Step 6: Final answer
    x = 135,191.10

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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.