Home / 239,904.90-359,857.74-82,134.72

Finding the Fourth Proportional to 239,904.90, 359,857.74 and 82,134.72

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Solution

The fourth proportional to 239,904.90, 359,857.74 and 82,134.72 is: 123,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,904.90 : 359,857.74 = 82,134.72 : x
  2. Step 2: Convert to fraction form
    239,904.90/359,857.74 = 82,134.72/x
  3. Step 3: Cross multiply
    239,904.90x = 359,857.74 × 82,134.72
  4. Step 4: Simplify right side
    239,904.90x = 29,556,814,714.73
  5. Step 5: Solve for x
    x = 29,556,814,714.73/239,904.90
  6. Step 6: Final answer
    x = 123,202.21

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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.