Home / 126,197.04-174,127.68-75,899.28

Finding the Fourth Proportional to 126,197.04, 174,127.68 and 75,899.28

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Solution

The fourth proportional to 126,197.04, 174,127.68 and 75,899.28 is: 104,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,197.04 : 174,127.68 = 75,899.28 : x
  2. Step 2: Convert to fraction form
    126,197.04/174,127.68 = 75,899.28/x
  3. Step 3: Cross multiply
    126,197.04x = 174,127.68 × 75,899.28
  4. Step 4: Simplify right side
    126,197.04x = 13,216,165,540.07
  5. Step 5: Solve for x
    x = 13,216,165,540.07/126,197.04
  6. Step 6: Final answer
    x = 104,726.43

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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.