Home / 213,663.28-294,766.20-122,997.52

Finding the Fourth Proportional to 213,663.28, 294,766.20 and 122,997.52

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Solution

The fourth proportional to 213,663.28, 294,766.20 and 122,997.52 is: 169,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,663.28 : 294,766.20 = 122,997.52 : x
  2. Step 2: Convert to fraction form
    213,663.28/294,766.20 = 122,997.52/x
  3. Step 3: Cross multiply
    213,663.28x = 294,766.20 × 122,997.52
  4. Step 4: Simplify right side
    213,663.28x = 36,255,511,579.82
  5. Step 5: Solve for x
    x = 36,255,511,579.82/213,663.28
  6. Step 6: Final answer
    x = 169,685.27

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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.