Home / 133,823.11-200,735.02-45,138.85

Finding the Fourth Proportional to 133,823.11, 200,735.02 and 45,138.85

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Solution

The fourth proportional to 133,823.11, 200,735.02 and 45,138.85 is: 67,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,823.11 : 200,735.02 = 45,138.85 : x
  2. Step 2: Convert to fraction form
    133,823.11/200,735.02 = 45,138.85/x
  3. Step 3: Cross multiply
    133,823.11x = 200,735.02 × 45,138.85
  4. Step 4: Simplify right side
    133,823.11x = 9,060,946,953.85
  5. Step 5: Solve for x
    x = 9,060,946,953.85/133,823.11
  6. Step 6: Final answer
    x = 67,708.39

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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.