Home / 126,276.60-189,425.02-42,033.72

Finding the Fourth Proportional to 126,276.60, 189,425.02 and 42,033.72

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Solution

The fourth proportional to 126,276.60, 189,425.02 and 42,033.72 is: 63,053.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,276.60 : 189,425.02 = 42,033.72 : x
  2. Step 2: Convert to fraction form
    126,276.60/189,425.02 = 42,033.72/x
  3. Step 3: Cross multiply
    126,276.60x = 189,425.02 × 42,033.72
  4. Step 4: Simplify right side
    126,276.60x = 7,962,238,251.67
  5. Step 5: Solve for x
    x = 7,962,238,251.67/126,276.60
  6. Step 6: Final answer
    x = 63,053.95

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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.