Home / 126,254.46-189,201.21-92,711.40

Finding the Fourth Proportional to 126,254.46, 189,201.21 and 92,711.40

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Solution

The fourth proportional to 126,254.46, 189,201.21 and 92,711.40 is: 138,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,254.46 : 189,201.21 = 92,711.40 : x
  2. Step 2: Convert to fraction form
    126,254.46/189,201.21 = 92,711.40/x
  3. Step 3: Cross multiply
    126,254.46x = 189,201.21 × 92,711.40
  4. Step 4: Simplify right side
    126,254.46x = 17,541,109,060.79
  5. Step 5: Solve for x
    x = 17,541,109,060.79/126,254.46
  6. Step 6: Final answer
    x = 138,934.57

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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.