Home / 148,944.73-205,543.33-80,961.70

Finding the Fourth Proportional to 148,944.73, 205,543.33 and 80,961.70

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Solution

The fourth proportional to 148,944.73, 205,543.33 and 80,961.70 is: 111,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,944.73 : 205,543.33 = 80,961.70 : x
  2. Step 2: Convert to fraction form
    148,944.73/205,543.33 = 80,961.70/x
  3. Step 3: Cross multiply
    148,944.73x = 205,543.33 × 80,961.70
  4. Step 4: Simplify right side
    148,944.73x = 16,641,137,420.46
  5. Step 5: Solve for x
    x = 16,641,137,420.46/148,944.73
  6. Step 6: Final answer
    x = 111,726.93

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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.