Home / 126,422.26-174,455.49-75,492.46

Finding the Fourth Proportional to 126,422.26, 174,455.49 and 75,492.46

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Solution

The fourth proportional to 126,422.26, 174,455.49 and 75,492.46 is: 104,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,422.26 : 174,455.49 = 75,492.46 : x
  2. Step 2: Convert to fraction form
    126,422.26/174,455.49 = 75,492.46/x
  3. Step 3: Cross multiply
    126,422.26x = 174,455.49 × 75,492.46
  4. Step 4: Simplify right side
    126,422.26x = 13,170,074,100.61
  5. Step 5: Solve for x
    x = 13,170,074,100.61/126,422.26
  6. Step 6: Final answer
    x = 104,175.28

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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.