Home / 203,904.93-281,385.05-113,257.29

Finding the Fourth Proportional to 203,904.93, 281,385.05 and 113,257.29

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Solution

The fourth proportional to 203,904.93, 281,385.05 and 113,257.29 is: 156,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,904.93 : 281,385.05 = 113,257.29 : x
  2. Step 2: Convert to fraction form
    203,904.93/281,385.05 = 113,257.29/x
  3. Step 3: Cross multiply
    203,904.93x = 281,385.05 × 113,257.29
  4. Step 4: Simplify right side
    203,904.93x = 31,868,907,643.23
  5. Step 5: Solve for x
    x = 31,868,907,643.23/203,904.93
  6. Step 6: Final answer
    x = 156,292.97

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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.