Home / 126,720.52-174,855.48-76,966.92

Finding the Fourth Proportional to 126,720.52, 174,855.48 and 76,966.92

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Solution

The fourth proportional to 126,720.52, 174,855.48 and 76,966.92 is: 106,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,720.52 : 174,855.48 = 76,966.92 : x
  2. Step 2: Convert to fraction form
    126,720.52/174,855.48 = 76,966.92/x
  3. Step 3: Cross multiply
    126,720.52x = 174,855.48 × 76,966.92
  4. Step 4: Simplify right side
    126,720.52x = 13,458,087,740.72
  5. Step 5: Solve for x
    x = 13,458,087,740.72/126,720.52
  6. Step 6: Final answer
    x = 106,202.91

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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.