Home / 223,321.20-308,179.76-122,717.04

Finding the Fourth Proportional to 223,321.20, 308,179.76 and 122,717.04

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Solution

The fourth proportional to 223,321.20, 308,179.76 and 122,717.04 is: 169,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,321.20 : 308,179.76 = 122,717.04 : x
  2. Step 2: Convert to fraction form
    223,321.20/308,179.76 = 122,717.04/x
  3. Step 3: Cross multiply
    223,321.20x = 308,179.76 × 122,717.04
  4. Step 4: Simplify right side
    223,321.20x = 37,818,907,935.11
  5. Step 5: Solve for x
    x = 37,818,907,935.11/223,321.20
  6. Step 6: Final answer
    x = 169,347.59

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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.