Home / 203,680.58-281,070.87-113,040.32

Finding the Fourth Proportional to 203,680.58, 281,070.87 and 113,040.32

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Solution

The fourth proportional to 203,680.58, 281,070.87 and 113,040.32 is: 155,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,680.58 : 281,070.87 = 113,040.32 : x
  2. Step 2: Convert to fraction form
    203,680.58/281,070.87 = 113,040.32/x
  3. Step 3: Cross multiply
    203,680.58x = 281,070.87 × 113,040.32
  4. Step 4: Simplify right side
    203,680.58x = 31,772,341,087.48
  5. Step 5: Solve for x
    x = 31,772,341,087.48/203,680.58
  6. Step 6: Final answer
    x = 155,991.02

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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.