Home / 203,710.12-281,136.90-113,074.60

Finding the Fourth Proportional to 203,710.12, 281,136.90 and 113,074.60

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Solution

The fourth proportional to 203,710.12, 281,136.90 and 113,074.60 is: 156,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,710.12 : 281,136.90 = 113,074.60 : x
  2. Step 2: Convert to fraction form
    203,710.12/281,136.90 = 113,074.60/x
  3. Step 3: Cross multiply
    203,710.12x = 281,136.90 × 113,074.60
  4. Step 4: Simplify right side
    203,710.12x = 31,789,442,512.74
  5. Step 5: Solve for x
    x = 31,789,442,512.74/203,710.12
  6. Step 6: Final answer
    x = 156,052.35

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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.