Home / 203,634.72-281,017.44-112,991.04

Finding the Fourth Proportional to 203,634.72, 281,017.44 and 112,991.04

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Solution

The fourth proportional to 203,634.72, 281,017.44 and 112,991.04 is: 155,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,634.72 : 281,017.44 = 112,991.04 : x
  2. Step 2: Convert to fraction form
    203,634.72/281,017.44 = 112,991.04/x
  3. Step 3: Cross multiply
    203,634.72x = 281,017.44 × 112,991.04
  4. Step 4: Simplify right side
    203,634.72x = 31,752,452,803.74
  5. Step 5: Solve for x
    x = 31,752,452,803.74/203,634.72
  6. Step 6: Final answer
    x = 155,928.48

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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.