Home / 126,177.68-189,397.72-92,935.28

Finding the Fourth Proportional to 126,177.68, 189,397.72 and 92,935.28

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Solution

The fourth proportional to 126,177.68, 189,397.72 and 92,935.28 is: 139,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,177.68 : 189,397.72 = 92,935.28 : x
  2. Step 2: Convert to fraction form
    126,177.68/189,397.72 = 92,935.28/x
  3. Step 3: Cross multiply
    126,177.68x = 189,397.72 × 92,935.28
  4. Step 4: Simplify right side
    126,177.68x = 17,601,730,139.56
  5. Step 5: Solve for x
    x = 17,601,730,139.56/126,177.68
  6. Step 6: Final answer
    x = 139,499.55

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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.