Home / 126,480.77-174,545.76-69,122.52

Finding the Fourth Proportional to 126,480.77, 174,545.76 and 69,122.52

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Solution

The fourth proportional to 126,480.77, 174,545.76 and 69,122.52 is: 95,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,480.77 : 174,545.76 = 69,122.52 : x
  2. Step 2: Convert to fraction form
    126,480.77/174,545.76 = 69,122.52/x
  3. Step 3: Cross multiply
    126,480.77x = 174,545.76 × 69,122.52
  4. Step 4: Simplify right side
    126,480.77x = 12,065,042,786.52
  5. Step 5: Solve for x
    x = 12,065,042,786.52/126,480.77
  6. Step 6: Final answer
    x = 95,390.34

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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.