Home / 239,968.46-331,159.17-138,044.54

Finding the Fourth Proportional to 239,968.46, 331,159.17 and 138,044.54

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Solution

The fourth proportional to 239,968.46, 331,159.17 and 138,044.54 is: 190,503.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,968.46 : 331,159.17 = 138,044.54 : x
  2. Step 2: Convert to fraction form
    239,968.46/331,159.17 = 138,044.54/x
  3. Step 3: Cross multiply
    239,968.46x = 331,159.17 × 138,044.54
  4. Step 4: Simplify right side
    239,968.46x = 45,714,715,289.43
  5. Step 5: Solve for x
    x = 45,714,715,289.43/239,968.46
  6. Step 6: Final answer
    x = 190,503.02

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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.