Home / 126,719.52-174,854.12-76,965.94

Finding the Fourth Proportional to 126,719.52, 174,854.12 and 76,965.94

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Solution

The fourth proportional to 126,719.52, 174,854.12 and 76,965.94 is: 106,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,719.52 : 174,854.12 = 76,965.94 : x
  2. Step 2: Convert to fraction form
    126,719.52/174,854.12 = 76,965.94/x
  3. Step 3: Cross multiply
    126,719.52x = 174,854.12 × 76,965.94
  4. Step 4: Simplify right side
    126,719.52x = 13,457,811,175.33
  5. Step 5: Solve for x
    x = 13,457,811,175.33/126,719.52
  6. Step 6: Final answer
    x = 106,201.56

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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.