Home / 203,732.45-281,120.79-113,089.10

Finding the Fourth Proportional to 203,732.45, 281,120.79 and 113,089.10

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Solution

The fourth proportional to 203,732.45, 281,120.79 and 113,089.10 is: 156,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,732.45 : 281,120.79 = 113,089.10 : x
  2. Step 2: Convert to fraction form
    203,732.45/281,120.79 = 113,089.10/x
  3. Step 3: Cross multiply
    203,732.45x = 281,120.79 × 113,089.10
  4. Step 4: Simplify right side
    203,732.45x = 31,791,697,132.39
  5. Step 5: Solve for x
    x = 31,791,697,132.39/203,732.45
  6. Step 6: Final answer
    x = 156,046.31

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1.5x scale

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.