Home / 126,660.06-189,961.65-37,902.20

Finding the Fourth Proportional to 126,660.06, 189,961.65 and 37,902.20

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Solution

The fourth proportional to 126,660.06, 189,961.65 and 37,902.20 is: 56,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,660.06 : 189,961.65 = 37,902.20 : x
  2. Step 2: Convert to fraction form
    126,660.06/189,961.65 = 37,902.20/x
  3. Step 3: Cross multiply
    126,660.06x = 189,961.65 × 37,902.20
  4. Step 4: Simplify right side
    126,660.06x = 7,199,963,500.82
  5. Step 5: Solve for x
    x = 7,199,963,500.82/126,660.06
  6. Step 6: Final answer
    x = 56,844.78

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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.