Home / 126,679.12-189,965.22-37,945.24

Finding the Fourth Proportional to 126,679.12, 189,965.22 and 37,945.24

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Solution

The fourth proportional to 126,679.12, 189,965.22 and 37,945.24 is: 56,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,679.12 : 189,965.22 = 37,945.24 : x
  2. Step 2: Convert to fraction form
    126,679.12/189,965.22 = 37,945.24/x
  3. Step 3: Cross multiply
    126,679.12x = 189,965.22 × 37,945.24
  4. Step 4: Simplify right side
    126,679.12x = 7,208,275,864.55
  5. Step 5: Solve for x
    x = 7,208,275,864.55/126,679.12
  6. Step 6: Final answer
    x = 56,901.85

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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.