Home / 203,710.52-281,114.82-111,829.79

Finding the Fourth Proportional to 203,710.52, 281,114.82 and 111,829.79

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Solution

The fourth proportional to 203,710.52, 281,114.82 and 111,829.79 is: 154,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,710.52 : 281,114.82 = 111,829.79 : x
  2. Step 2: Convert to fraction form
    203,710.52/281,114.82 = 111,829.79/x
  3. Step 3: Cross multiply
    203,710.52x = 281,114.82 × 111,829.79
  4. Step 4: Simplify right side
    203,710.52x = 31,437,011,989.27
  5. Step 5: Solve for x
    x = 31,437,011,989.27/203,710.52
  6. Step 6: Final answer
    x = 154,321.98

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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.