Home / 195,519.90-269,815.38-109,479.68

Finding the Fourth Proportional to 195,519.90, 269,815.38 and 109,479.68

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Solution

The fourth proportional to 195,519.90, 269,815.38 and 109,479.68 is: 151,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,519.90 : 269,815.38 = 109,479.68 : x
  2. Step 2: Convert to fraction form
    195,519.90/269,815.38 = 109,479.68/x
  3. Step 3: Cross multiply
    195,519.90x = 269,815.38 × 109,479.68
  4. Step 4: Simplify right side
    195,519.90x = 29,539,301,461.48
  5. Step 5: Solve for x
    x = 29,539,301,461.48/195,519.90
  6. Step 6: Final answer
    x = 151,080.79

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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.