Home / 178,311.20-267,380.40-99,341.60

Finding the Fourth Proportional to 178,311.20, 267,380.40 and 99,341.60

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Solution

The fourth proportional to 178,311.20, 267,380.40 and 99,341.60 is: 148,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,311.20 : 267,380.40 = 99,341.60 : x
  2. Step 2: Convert to fraction form
    178,311.20/267,380.40 = 99,341.60/x
  3. Step 3: Cross multiply
    178,311.20x = 267,380.40 × 99,341.60
  4. Step 4: Simplify right side
    178,311.20x = 26,561,996,744.64
  5. Step 5: Solve for x
    x = 26,561,996,744.64/178,311.20
  6. Step 6: Final answer
    x = 148,964.26

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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.