Home / 203,966.16-305,764.92-72,607.44

Finding the Fourth Proportional to 203,966.16, 305,764.92 and 72,607.44

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Solution

The fourth proportional to 203,966.16, 305,764.92 and 72,607.44 is: 108,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,966.16 : 305,764.92 = 72,607.44 : x
  2. Step 2: Convert to fraction form
    203,966.16/305,764.92 = 72,607.44/x
  3. Step 3: Cross multiply
    203,966.16x = 305,764.92 × 72,607.44
  4. Step 4: Simplify right side
    203,966.16x = 22,200,808,083.00
  5. Step 5: Solve for x
    x = 22,200,808,083.00/203,966.16
  6. Step 6: Final answer
    x = 108,845.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.