Home / 126,862.80-174,715.56-124,107.72

Finding the Fourth Proportional to 126,862.80, 174,715.56 and 124,107.72

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Solution

The fourth proportional to 126,862.80, 174,715.56 and 124,107.72 is: 170,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,862.80 : 174,715.56 = 124,107.72 : x
  2. Step 2: Convert to fraction form
    126,862.80/174,715.56 = 124,107.72/x
  3. Step 3: Cross multiply
    126,862.80x = 174,715.56 × 124,107.72
  4. Step 4: Simplify right side
    126,862.80x = 21,683,549,800.12
  5. Step 5: Solve for x
    x = 21,683,549,800.12/126,862.80
  6. Step 6: Final answer
    x = 170,921.26

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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.