Home / 126,171.19-174,116.40-68,810.63

Finding the Fourth Proportional to 126,171.19, 174,116.40 and 68,810.63

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Solution

The fourth proportional to 126,171.19, 174,116.40 and 68,810.63 is: 94,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,171.19 : 174,116.40 = 68,810.63 : x
  2. Step 2: Convert to fraction form
    126,171.19/174,116.40 = 68,810.63/x
  3. Step 3: Cross multiply
    126,171.19x = 174,116.40 × 68,810.63
  4. Step 4: Simplify right side
    126,171.19x = 11,981,059,177.33
  5. Step 5: Solve for x
    x = 11,981,059,177.33/126,171.19
  6. Step 6: Final answer
    x = 94,958.76

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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.