Home / 245,654.76-339,044.49-142,274.04

Finding the Fourth Proportional to 245,654.76, 339,044.49 and 142,274.04

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Solution

The fourth proportional to 245,654.76, 339,044.49 and 142,274.04 is: 196,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,654.76 : 339,044.49 = 142,274.04 : x
  2. Step 2: Convert to fraction form
    245,654.76/339,044.49 = 142,274.04/x
  3. Step 3: Cross multiply
    245,654.76x = 339,044.49 × 142,274.04
  4. Step 4: Simplify right side
    245,654.76x = 48,237,229,332.04
  5. Step 5: Solve for x
    x = 48,237,229,332.04/245,654.76
  6. Step 6: Final answer
    x = 196,361.88

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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.