Home / 196,478.88-271,121.04-111,579.36

Finding the Fourth Proportional to 196,478.88, 271,121.04 and 111,579.36

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Solution

The fourth proportional to 196,478.88, 271,121.04 and 111,579.36 is: 153,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,478.88 : 271,121.04 = 111,579.36 : x
  2. Step 2: Convert to fraction form
    196,478.88/271,121.04 = 111,579.36/x
  3. Step 3: Cross multiply
    196,478.88x = 271,121.04 × 111,579.36
  4. Step 4: Simplify right side
    196,478.88x = 30,251,512,125.73
  5. Step 5: Solve for x
    x = 30,251,512,125.73/196,478.88
  6. Step 6: Final answer
    x = 153,968.26

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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.