Home / 126,276.11-189,206.02-113,254.55

Finding the Fourth Proportional to 126,276.11, 189,206.02 and 113,254.55

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Solution

The fourth proportional to 126,276.11, 189,206.02 and 113,254.55 is: 169,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,276.11 : 189,206.02 = 113,254.55 : x
  2. Step 2: Convert to fraction form
    126,276.11/189,206.02 = 113,254.55/x
  3. Step 3: Cross multiply
    126,276.11x = 189,206.02 × 113,254.55
  4. Step 4: Simplify right side
    126,276.11x = 21,428,443,645.05
  5. Step 5: Solve for x
    x = 21,428,443,645.05/126,276.11
  6. Step 6: Final answer
    x = 169,695.15

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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.