Home / 126,248.40-174,231.24-72,550.80

Finding the Fourth Proportional to 126,248.40, 174,231.24 and 72,550.80

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Solution

The fourth proportional to 126,248.40, 174,231.24 and 72,550.80 is: 100,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248.40 : 174,231.24 = 72,550.80 : x
  2. Step 2: Convert to fraction form
    126,248.40/174,231.24 = 72,550.80/x
  3. Step 3: Cross multiply
    126,248.40x = 174,231.24 × 72,550.80
  4. Step 4: Simplify right side
    126,248.40x = 12,640,615,846.99
  5. Step 5: Solve for x
    x = 12,640,615,846.99/126,248.40
  6. Step 6: Final answer
    x = 100,124.96

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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.