Home / 136,917.54-205,399.66-61,043.61

Finding the Fourth Proportional to 136,917.54, 205,399.66 and 61,043.61

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Solution

The fourth proportional to 136,917.54, 205,399.66 and 61,043.61 is: 91,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,917.54 : 205,399.66 = 61,043.61 : x
  2. Step 2: Convert to fraction form
    136,917.54/205,399.66 = 61,043.61/x
  3. Step 3: Cross multiply
    136,917.54x = 205,399.66 × 61,043.61
  4. Step 4: Simplify right side
    136,917.54x = 12,538,335,816.31
  5. Step 5: Solve for x
    x = 12,538,335,816.31/136,917.54
  6. Step 6: Final answer
    x = 91,575.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.