Home / 126,910.52-175,090.18-75,924.72

Finding the Fourth Proportional to 126,910.52, 175,090.18 and 75,924.72

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Solution

The fourth proportional to 126,910.52, 175,090.18 and 75,924.72 is: 104,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.52 : 175,090.18 = 75,924.72 : x
  2. Step 2: Convert to fraction form
    126,910.52/175,090.18 = 75,924.72/x
  3. Step 3: Cross multiply
    126,910.52x = 175,090.18 × 75,924.72
  4. Step 4: Simplify right side
    126,910.52x = 13,293,672,891.25
  5. Step 5: Solve for x
    x = 13,293,672,891.25/126,910.52
  6. Step 6: Final answer
    x = 104,748.39

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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.