Home / 126,417.20-189,496.20-73,799.60

Finding the Fourth Proportional to 126,417.20, 189,496.20 and 73,799.60

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Solution

The fourth proportional to 126,417.20, 189,496.20 and 73,799.60 is: 110,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,417.20 : 189,496.20 = 73,799.60 : x
  2. Step 2: Convert to fraction form
    126,417.20/189,496.20 = 73,799.60/x
  3. Step 3: Cross multiply
    126,417.20x = 189,496.20 × 73,799.60
  4. Step 4: Simplify right side
    126,417.20x = 13,984,743,761.52
  5. Step 5: Solve for x
    x = 13,984,743,761.52/126,417.20
  6. Step 6: Final answer
    x = 110,623.74

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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.