Home / 195,929.97-293,611.30-135,077.78

Finding the Fourth Proportional to 195,929.97, 293,611.30 and 135,077.78

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Solution

The fourth proportional to 195,929.97, 293,611.30 and 135,077.78 is: 202,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,929.97 : 293,611.30 = 135,077.78 : x
  2. Step 2: Convert to fraction form
    195,929.97/293,611.30 = 135,077.78/x
  3. Step 3: Cross multiply
    195,929.97x = 293,611.30 × 135,077.78
  4. Step 4: Simplify right side
    195,929.97x = 39,660,361,616.61
  5. Step 5: Solve for x
    x = 39,660,361,616.61/195,929.97
  6. Step 6: Final answer
    x = 202,421.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.