Home / 196,721.52-271,460.88-111,822

Finding the Fourth Proportional to 196,721.52, 271,460.88 and 111,822

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Solution

The fourth proportional to 196,721.52, 271,460.88 and 111,822 is: 154,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,721.52 : 271,460.88 = 111,822 : x
  2. Step 2: Convert to fraction form
    196,721.52/271,460.88 = 111,822/x
  3. Step 3: Cross multiply
    196,721.52x = 271,460.88 × 111,822
  4. Step 4: Simplify right side
    196,721.52x = 30,355,298,523.36
  5. Step 5: Solve for x
    x = 30,355,298,523.36/196,721.52
  6. Step 6: Final answer
    x = 154,305.94

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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.