Home / 104,902.28-144,766.80-57,155.61

Finding the Fourth Proportional to 104,902.28, 144,766.80 and 57,155.61

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Solution

The fourth proportional to 104,902.28, 144,766.80 and 57,155.61 is: 78,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,902.28 : 144,766.80 = 57,155.61 : x
  2. Step 2: Convert to fraction form
    104,902.28/144,766.80 = 57,155.61/x
  3. Step 3: Cross multiply
    104,902.28x = 144,766.80 × 57,155.61
  4. Step 4: Simplify right side
    104,902.28x = 8,274,234,761.75
  5. Step 5: Solve for x
    x = 8,274,234,761.75/104,902.28
  6. Step 6: Final answer
    x = 78,875.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.