Home / 126,641.30-174,766.37-69,279.38

Finding the Fourth Proportional to 126,641.30, 174,766.37 and 69,279.38

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Solution

The fourth proportional to 126,641.30, 174,766.37 and 69,279.38 is: 95,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,641.30 : 174,766.37 = 69,279.38 : x
  2. Step 2: Convert to fraction form
    126,641.30/174,766.37 = 69,279.38/x
  3. Step 3: Cross multiply
    126,641.30x = 174,766.37 × 69,279.38
  4. Step 4: Simplify right side
    126,641.30x = 12,107,705,848.97
  5. Step 5: Solve for x
    x = 12,107,705,848.97/126,641.30
  6. Step 6: Final answer
    x = 95,606.30

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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.