Home / 126,107.43-174,006.68-75,113.88

Finding the Fourth Proportional to 126,107.43, 174,006.68 and 75,113.88

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Solution

The fourth proportional to 126,107.43, 174,006.68 and 75,113.88 is: 103,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,107.43 : 174,006.68 = 75,113.88 : x
  2. Step 2: Convert to fraction form
    126,107.43/174,006.68 = 75,113.88/x
  3. Step 3: Cross multiply
    126,107.43x = 174,006.68 × 75,113.88
  4. Step 4: Simplify right side
    126,107.43x = 13,070,316,505.15
  5. Step 5: Solve for x
    x = 13,070,316,505.15/126,107.43
  6. Step 6: Final answer
    x = 103,644.30

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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.