Home / 127,945.92-176,565.68-71,360.96

Finding the Fourth Proportional to 127,945.92, 176,565.68 and 71,360.96

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Solution

The fourth proportional to 127,945.92, 176,565.68 and 71,360.96 is: 98,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.92 : 176,565.68 = 71,360.96 : x
  2. Step 2: Convert to fraction form
    127,945.92/176,565.68 = 71,360.96/x
  3. Step 3: Cross multiply
    127,945.92x = 176,565.68 × 71,360.96
  4. Step 4: Simplify right side
    127,945.92x = 12,599,896,427.85
  5. Step 5: Solve for x
    x = 12,599,896,427.85/127,945.92
  6. Step 6: Final answer
    x = 98,478.30

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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.