Home / 127,847.10-192,001.05-123,699.90

Finding the Fourth Proportional to 127,847.10, 192,001.05 and 123,699.90

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Solution

The fourth proportional to 127,847.10, 192,001.05 and 123,699.90 is: 185,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,847.10 : 192,001.05 = 123,699.90 : x
  2. Step 2: Convert to fraction form
    127,847.10/192,001.05 = 123,699.90/x
  3. Step 3: Cross multiply
    127,847.10x = 192,001.05 × 123,699.90
  4. Step 4: Simplify right side
    127,847.10x = 23,750,510,684.90
  5. Step 5: Solve for x
    x = 23,750,510,684.90/127,847.10
  6. Step 6: Final answer
    x = 185,772.78

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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.