Home / 133,811.10-200,716.65-54,981.90

Finding the Fourth Proportional to 133,811.10, 200,716.65 and 54,981.90

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Solution

The fourth proportional to 133,811.10, 200,716.65 and 54,981.90 is: 82,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,811.10 : 200,716.65 = 54,981.90 : x
  2. Step 2: Convert to fraction form
    133,811.10/200,716.65 = 54,981.90/x
  3. Step 3: Cross multiply
    133,811.10x = 200,716.65 × 54,981.90
  4. Step 4: Simplify right side
    133,811.10x = 11,035,782,778.64
  5. Step 5: Solve for x
    x = 11,035,782,778.64/133,811.10
  6. Step 6: Final answer
    x = 82,472.85

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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.