Home / 126,687.06-189,767.32-60,179.58

Finding the Fourth Proportional to 126,687.06, 189,767.32 and 60,179.58

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Solution

The fourth proportional to 126,687.06, 189,767.32 and 60,179.58 is: 90,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,687.06 : 189,767.32 = 60,179.58 : x
  2. Step 2: Convert to fraction form
    126,687.06/189,767.32 = 60,179.58/x
  3. Step 3: Cross multiply
    126,687.06x = 189,767.32 × 60,179.58
  4. Step 4: Simplify right side
    126,687.06x = 11,420,117,615.33
  5. Step 5: Solve for x
    x = 11,420,117,615.33/126,687.06
  6. Step 6: Final answer
    x = 90,144.31

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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.