Home / 126,117.27-173,943.42-80,799.47

Finding the Fourth Proportional to 126,117.27, 173,943.42 and 80,799.47

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Solution

The fourth proportional to 126,117.27, 173,943.42 and 80,799.47 is: 111,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,117.27 : 173,943.42 = 80,799.47 : x
  2. Step 2: Convert to fraction form
    126,117.27/173,943.42 = 80,799.47/x
  3. Step 3: Cross multiply
    126,117.27x = 173,943.42 × 80,799.47
  4. Step 4: Simplify right side
    126,117.27x = 14,054,535,276.27
  5. Step 5: Solve for x
    x = 14,054,535,276.27/126,117.27
  6. Step 6: Final answer
    x = 111,440.21

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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.