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Finding the Fourth Proportional to 85,229.67, 127,868.12 and 37,202.39

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Solution

The fourth proportional to 85,229.67, 127,868.12 and 37,202.39 is: 55,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.67 : 127,868.12 = 37,202.39 : x
  2. Step 2: Convert to fraction form
    85,229.67/127,868.12 = 37,202.39/x
  3. Step 3: Cross multiply
    85,229.67x = 127,868.12 × 37,202.39
  4. Step 4: Simplify right side
    85,229.67x = 4,756,999,462.47
  5. Step 5: Solve for x
    x = 4,756,999,462.47/85,229.67
  6. Step 6: Final answer
    x = 55,813.89

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1.5x scale

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.