Home / 203,680.08-281,070.18-113,039.82

Finding the Fourth Proportional to 203,680.08, 281,070.18 and 113,039.82

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Solution

The fourth proportional to 203,680.08, 281,070.18 and 113,039.82 is: 155,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,680.08 : 281,070.18 = 113,039.82 : x
  2. Step 2: Convert to fraction form
    203,680.08/281,070.18 = 113,039.82/x
  3. Step 3: Cross multiply
    203,680.08x = 281,070.18 × 113,039.82
  4. Step 4: Simplify right side
    203,680.08x = 31,772,122,554.57
  5. Step 5: Solve for x
    x = 31,772,122,554.57/203,680.08
  6. Step 6: Final answer
    x = 155,990.33

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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.