Home / 126,340.35-174,329.83-72,615.32

Finding the Fourth Proportional to 126,340.35, 174,329.83 and 72,615.32

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Solution

The fourth proportional to 126,340.35, 174,329.83 and 72,615.32 is: 100,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,340.35 : 174,329.83 = 72,615.32 : x
  2. Step 2: Convert to fraction form
    126,340.35/174,329.83 = 72,615.32/x
  3. Step 3: Cross multiply
    126,340.35x = 174,329.83 × 72,615.32
  4. Step 4: Simplify right side
    126,340.35x = 12,659,016,391.00
  5. Step 5: Solve for x
    x = 12,659,016,391.00/126,340.35
  6. Step 6: Final answer
    x = 100,197.73

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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.