Home / 154,629.44-213,818.16-122,743.04

Finding the Fourth Proportional to 154,629.44, 213,818.16 and 122,743.04

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Solution

The fourth proportional to 154,629.44, 213,818.16 and 122,743.04 is: 169,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,629.44 : 213,818.16 = 122,743.04 : x
  2. Step 2: Convert to fraction form
    154,629.44/213,818.16 = 122,743.04/x
  3. Step 3: Cross multiply
    154,629.44x = 213,818.16 × 122,743.04
  4. Step 4: Simplify right side
    154,629.44x = 26,244,690,965.61
  5. Step 5: Solve for x
    x = 26,244,690,965.61/154,629.44
  6. Step 6: Final answer
    x = 169,726.35

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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.