Home / 126,132.24-174,813.84-123,770.28

Finding the Fourth Proportional to 126,132.24, 174,813.84 and 123,770.28

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Solution

The fourth proportional to 126,132.24, 174,813.84 and 123,770.28 is: 171,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.24 : 174,813.84 = 123,770.28 : x
  2. Step 2: Convert to fraction form
    126,132.24/174,813.84 = 123,770.28/x
  3. Step 3: Cross multiply
    126,132.24x = 174,813.84 × 123,770.28
  4. Step 4: Simplify right side
    126,132.24x = 21,636,757,924.68
  5. Step 5: Solve for x
    x = 21,636,757,924.68/126,132.24
  6. Step 6: Final answer
    x = 171,540.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.