Home / 195,643.61-269,975.20-108,422.85

Finding the Fourth Proportional to 195,643.61, 269,975.20 and 108,422.85

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Solution

The fourth proportional to 195,643.61, 269,975.20 and 108,422.85 is: 149,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,643.61 : 269,975.20 = 108,422.85 : x
  2. Step 2: Convert to fraction form
    195,643.61/269,975.20 = 108,422.85/x
  3. Step 3: Cross multiply
    195,643.61x = 269,975.20 × 108,422.85
  4. Step 4: Simplify right side
    195,643.61x = 29,271,480,613.32
  5. Step 5: Solve for x
    x = 29,271,480,613.32/195,643.61
  6. Step 6: Final answer
    x = 149,616.34

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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.