Home / 106,454.75-146,917.94-79,550.55

Finding the Fourth Proportional to 106,454.75, 146,917.94 and 79,550.55

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Solution

The fourth proportional to 106,454.75, 146,917.94 and 79,550.55 is: 109,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454.75 : 146,917.94 = 79,550.55 : x
  2. Step 2: Convert to fraction form
    106,454.75/146,917.94 = 79,550.55/x
  3. Step 3: Cross multiply
    106,454.75x = 146,917.94 × 79,550.55
  4. Step 4: Simplify right side
    106,454.75x = 11,687,402,534.11
  5. Step 5: Solve for x
    x = 11,687,402,534.11/106,454.75
  6. Step 6: Final answer
    x = 109,787.52

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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.