Home / 126,423.26-174,456.87-75,493.46

Finding the Fourth Proportional to 126,423.26, 174,456.87 and 75,493.46

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Solution

The fourth proportional to 126,423.26, 174,456.87 and 75,493.46 is: 104,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,423.26 : 174,456.87 = 75,493.46 : x
  2. Step 2: Convert to fraction form
    126,423.26/174,456.87 = 75,493.46/x
  3. Step 3: Cross multiply
    126,423.26x = 174,456.87 × 75,493.46
  4. Step 4: Simplify right side
    126,423.26x = 13,170,352,737.07
  5. Step 5: Solve for x
    x = 13,170,352,737.07/126,423.26
  6. Step 6: Final answer
    x = 104,176.66

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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.