Home / 126,703.31-189,903.29-59,144.45

Finding the Fourth Proportional to 126,703.31, 189,903.29 and 59,144.45

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Solution

The fourth proportional to 126,703.31, 189,903.29 and 59,144.45 is: 88,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,703.31 : 189,903.29 = 59,144.45 : x
  2. Step 2: Convert to fraction form
    126,703.31/189,903.29 = 59,144.45/x
  3. Step 3: Cross multiply
    126,703.31x = 189,903.29 × 59,144.45
  4. Step 4: Simplify right side
    126,703.31x = 11,231,726,262.86
  5. Step 5: Solve for x
    x = 11,231,726,262.86/126,703.31
  6. Step 6: Final answer
    x = 88,645.88

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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.