Home / 146,938.30-220,213.05-130,219.90

Finding the Fourth Proportional to 146,938.30, 220,213.05 and 130,219.90

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Solution

The fourth proportional to 146,938.30, 220,213.05 and 130,219.90 is: 195,157.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,938.30 : 220,213.05 = 130,219.90 : x
  2. Step 2: Convert to fraction form
    146,938.30/220,213.05 = 130,219.90/x
  3. Step 3: Cross multiply
    146,938.30x = 220,213.05 × 130,219.90
  4. Step 4: Simplify right side
    146,938.30x = 28,676,121,349.70
  5. Step 5: Solve for x
    x = 28,676,121,349.70/146,938.30
  6. Step 6: Final answer
    x = 195,157.57

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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.