Home / 136,335.98-188,149.85-75,910.46

Finding the Fourth Proportional to 136,335.98, 188,149.85 and 75,910.46

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Solution

The fourth proportional to 136,335.98, 188,149.85 and 75,910.46 is: 104,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,335.98 : 188,149.85 = 75,910.46 : x
  2. Step 2: Convert to fraction form
    136,335.98/188,149.85 = 75,910.46/x
  3. Step 3: Cross multiply
    136,335.98x = 188,149.85 × 75,910.46
  4. Step 4: Simplify right side
    136,335.98x = 14,282,540,342.13
  5. Step 5: Solve for x
    x = 14,282,540,342.13/136,335.98
  6. Step 6: Final answer
    x = 104,759.88

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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.