Home / 126,261.96-189,212.50-92,718.88

Finding the Fourth Proportional to 126,261.96, 189,212.50 and 92,718.88

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Solution

The fourth proportional to 126,261.96, 189,212.50 and 92,718.88 is: 138,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,261.96 : 189,212.50 = 92,718.88 : x
  2. Step 2: Convert to fraction form
    126,261.96/189,212.50 = 92,718.88/x
  3. Step 3: Cross multiply
    126,261.96x = 189,212.50 × 92,718.88
  4. Step 4: Simplify right side
    126,261.96x = 17,543,571,082
  5. Step 5: Solve for x
    x = 17,543,571,082/126,261.96
  6. Step 6: Final answer
    x = 138,945.82

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1.5x scale

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.