Home / 133,825.11-200,738.01-45,140.85

Finding the Fourth Proportional to 133,825.11, 200,738.01 and 45,140.85

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Solution

The fourth proportional to 133,825.11, 200,738.01 and 45,140.85 is: 67,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,825.11 : 200,738.01 = 45,140.85 : x
  2. Step 2: Convert to fraction form
    133,825.11/200,738.01 = 45,140.85/x
  3. Step 3: Cross multiply
    133,825.11x = 200,738.01 × 45,140.85
  4. Step 4: Simplify right side
    133,825.11x = 9,061,484,398.71
  5. Step 5: Solve for x
    x = 9,061,484,398.71/133,825.11
  6. Step 6: Final answer
    x = 67,711.39

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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.