Home / 203,635.80-281,032.77-113,008.88

Finding the Fourth Proportional to 203,635.80, 281,032.77 and 113,008.88

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Solution

The fourth proportional to 203,635.80, 281,032.77 and 113,008.88 is: 155,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,635.80 : 281,032.77 = 113,008.88 : x
  2. Step 2: Convert to fraction form
    203,635.80/281,032.77 = 113,008.88/x
  3. Step 3: Cross multiply
    203,635.80x = 281,032.77 × 113,008.88
  4. Step 4: Simplify right side
    203,635.80x = 31,759,198,581.00
  5. Step 5: Solve for x
    x = 31,759,198,581.00/203,635.80
  6. Step 6: Final answer
    x = 155,960.78

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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.