Home / 178,636.20-267,998.94-66,348.42

Finding the Fourth Proportional to 178,636.20, 267,998.94 and 66,348.42

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Solution

The fourth proportional to 178,636.20, 267,998.94 and 66,348.42 is: 99,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,636.20 : 267,998.94 = 66,348.42 : x
  2. Step 2: Convert to fraction form
    178,636.20/267,998.94 = 66,348.42/x
  3. Step 3: Cross multiply
    178,636.20x = 267,998.94 × 66,348.42
  4. Step 4: Simplify right side
    178,636.20x = 17,781,306,230.67
  5. Step 5: Solve for x
    x = 17,781,306,230.67/178,636.20
  6. Step 6: Final answer
    x = 99,539.21

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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.