Home / 126,685.06-189,764.32-60,177.58

Finding the Fourth Proportional to 126,685.06, 189,764.32 and 60,177.58

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Solution

The fourth proportional to 126,685.06, 189,764.32 and 60,177.58 is: 90,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,685.06 : 189,764.32 = 60,177.58 : x
  2. Step 2: Convert to fraction form
    126,685.06/189,764.32 = 60,177.58/x
  3. Step 3: Cross multiply
    126,685.06x = 189,764.32 × 60,177.58
  4. Step 4: Simplify right side
    126,685.06x = 11,419,557,547.95
  5. Step 5: Solve for x
    x = 11,419,557,547.95/126,685.06
  6. Step 6: Final answer
    x = 90,141.31

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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.