Home / 133,839.75-200,787.30-45,100.17

Finding the Fourth Proportional to 133,839.75, 200,787.30 and 45,100.17

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Solution

The fourth proportional to 133,839.75, 200,787.30 and 45,100.17 is: 67,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,839.75 : 200,787.30 = 45,100.17 : x
  2. Step 2: Convert to fraction form
    133,839.75/200,787.30 = 45,100.17/x
  3. Step 3: Cross multiply
    133,839.75x = 200,787.30 × 45,100.17
  4. Step 4: Simplify right side
    133,839.75x = 9,055,541,363.84
  5. Step 5: Solve for x
    x = 9,055,541,363.84/133,839.75
  6. Step 6: Final answer
    x = 67,659.58

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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.