Home / 196,630.62-271,462.23-129,757.02

Finding the Fourth Proportional to 196,630.62, 271,462.23 and 129,757.02

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Solution

The fourth proportional to 196,630.62, 271,462.23 and 129,757.02 is: 179,138.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,630.62 : 271,462.23 = 129,757.02 : x
  2. Step 2: Convert to fraction form
    196,630.62/271,462.23 = 129,757.02/x
  3. Step 3: Cross multiply
    196,630.62x = 271,462.23 × 129,757.02
  4. Step 4: Simplify right side
    196,630.62x = 35,224,130,007.35
  5. Step 5: Solve for x
    x = 35,224,130,007.35/196,630.62
  6. Step 6: Final answer
    x = 179,138.58

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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.