Home / 195,680.22-269,919.33-129,376.40

Finding the Fourth Proportional to 195,680.22, 269,919.33 and 129,376.40

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Solution

The fourth proportional to 195,680.22, 269,919.33 and 129,376.40 is: 178,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,680.22 : 269,919.33 = 129,376.40 : x
  2. Step 2: Convert to fraction form
    195,680.22/269,919.33 = 129,376.40/x
  3. Step 3: Cross multiply
    195,680.22x = 269,919.33 × 129,376.40
  4. Step 4: Simplify right side
    195,680.22x = 34,921,189,856.22
  5. Step 5: Solve for x
    x = 34,921,189,856.22/195,680.22
  6. Step 6: Final answer
    x = 178,460.50

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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.