Home / 133,427.80-200,140.57-54,486.66

Finding the Fourth Proportional to 133,427.80, 200,140.57 and 54,486.66

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Solution

The fourth proportional to 133,427.80, 200,140.57 and 54,486.66 is: 81,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,427.80 : 200,140.57 = 54,486.66 : x
  2. Step 2: Convert to fraction form
    133,427.80/200,140.57 = 54,486.66/x
  3. Step 3: Cross multiply
    133,427.80x = 200,140.57 × 54,486.66
  4. Step 4: Simplify right side
    133,427.80x = 10,904,991,189.80
  5. Step 5: Solve for x
    x = 10,904,991,189.80/133,427.80
  6. Step 6: Final answer
    x = 81,729.53

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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.