Home / 126,711.20-174,843.96-72,998.48

Finding the Fourth Proportional to 126,711.20, 174,843.96 and 72,998.48

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Solution

The fourth proportional to 126,711.20, 174,843.96 and 72,998.48 is: 100,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,711.20 : 174,843.96 = 72,998.48 : x
  2. Step 2: Convert to fraction form
    126,711.20/174,843.96 = 72,998.48/x
  3. Step 3: Cross multiply
    126,711.20x = 174,843.96 × 72,998.48
  4. Step 4: Simplify right side
    126,711.20x = 12,763,343,317.18
  5. Step 5: Solve for x
    x = 12,763,343,317.18/126,711.20
  6. Step 6: Final answer
    x = 100,727.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.