Home / 195,181.29-269,350.67-109,143.40

Finding the Fourth Proportional to 195,181.29, 269,350.67 and 109,143.40

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Solution

The fourth proportional to 195,181.29, 269,350.67 and 109,143.40 is: 150,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,181.29 : 269,350.67 = 109,143.40 : x
  2. Step 2: Convert to fraction form
    195,181.29/269,350.67 = 109,143.40/x
  3. Step 3: Cross multiply
    195,181.29x = 269,350.67 × 109,143.40
  4. Step 4: Simplify right side
    195,181.29x = 29,397,846,569.32
  5. Step 5: Solve for x
    x = 29,397,846,569.32/195,181.29
  6. Step 6: Final answer
    x = 150,618.16

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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.