Home / 136,766.75-188,747.62-76,349.18

Finding the Fourth Proportional to 136,766.75, 188,747.62 and 76,349.18

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Solution

The fourth proportional to 136,766.75, 188,747.62 and 76,349.18 is: 105,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,766.75 : 188,747.62 = 76,349.18 : x
  2. Step 2: Convert to fraction form
    136,766.75/188,747.62 = 76,349.18/x
  3. Step 3: Cross multiply
    136,766.75x = 188,747.62 × 76,349.18
  4. Step 4: Simplify right side
    136,766.75x = 14,410,726,294.95
  5. Step 5: Solve for x
    x = 14,410,726,294.95/136,766.75
  6. Step 6: Final answer
    x = 105,367.18

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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.