Home / 203,634.80-281,031.39-113,007.88

Finding the Fourth Proportional to 203,634.80, 281,031.39 and 113,007.88

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Solution

The fourth proportional to 203,634.80, 281,031.39 and 113,007.88 is: 155,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,634.80 : 281,031.39 = 113,007.88 : x
  2. Step 2: Convert to fraction form
    203,634.80/281,031.39 = 113,007.88/x
  3. Step 3: Cross multiply
    203,634.80x = 281,031.39 × 113,007.88
  4. Step 4: Simplify right side
    203,634.80x = 31,758,761,597.35
  5. Step 5: Solve for x
    x = 31,758,761,597.35/203,634.80
  6. Step 6: Final answer
    x = 155,959.40

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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.