Home / 204,440.85-282,071.75-122,747.90

Finding the Fourth Proportional to 204,440.85, 282,071.75 and 122,747.90

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Solution

The fourth proportional to 204,440.85, 282,071.75 and 122,747.90 is: 169,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,440.85 : 282,071.75 = 122,747.90 : x
  2. Step 2: Convert to fraction form
    204,440.85/282,071.75 = 122,747.90/x
  3. Step 3: Cross multiply
    204,440.85x = 282,071.75 × 122,747.90
  4. Step 4: Simplify right side
    204,440.85x = 34,623,712,937.73
  5. Step 5: Solve for x
    x = 34,623,712,937.73/204,440.85
  6. Step 6: Final answer
    x = 169,358.10

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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.