Home / 198,254.61-297,677.15-80,156.61

Finding the Fourth Proportional to 198,254.61, 297,677.15 and 80,156.61

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Solution

The fourth proportional to 198,254.61, 297,677.15 and 80,156.61 is: 120,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,254.61 : 297,677.15 = 80,156.61 : x
  2. Step 2: Convert to fraction form
    198,254.61/297,677.15 = 80,156.61/x
  3. Step 3: Cross multiply
    198,254.61x = 297,677.15 × 80,156.61
  4. Step 4: Simplify right side
    198,254.61x = 23,860,790,817.68
  5. Step 5: Solve for x
    x = 23,860,790,817.68/198,254.61
  6. Step 6: Final answer
    x = 120,354.28

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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.