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Finding the Fourth Proportional to 133,878.57, 200,677.75 and 45,101.41

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Solution

The fourth proportional to 133,878.57, 200,677.75 and 45,101.41 is: 67,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,878.57 : 200,677.75 = 45,101.41 : x
  2. Step 2: Convert to fraction form
    133,878.57/200,677.75 = 45,101.41/x
  3. Step 3: Cross multiply
    133,878.57x = 200,677.75 × 45,101.41
  4. Step 4: Simplify right side
    133,878.57x = 9,050,849,119.88
  5. Step 5: Solve for x
    x = 9,050,849,119.88/133,878.57
  6. Step 6: Final answer
    x = 67,604.91

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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.