Home / 106,747.53-160,115.82-31,868.30

Finding the Fourth Proportional to 106,747.53, 160,115.82 and 31,868.30

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Solution

The fourth proportional to 106,747.53, 160,115.82 and 31,868.30 is: 47,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747.53 : 160,115.82 = 31,868.30 : x
  2. Step 2: Convert to fraction form
    106,747.53/160,115.82 = 31,868.30/x
  3. Step 3: Cross multiply
    106,747.53x = 160,115.82 × 31,868.30
  4. Step 4: Simplify right side
    106,747.53x = 5,102,618,545.90
  5. Step 5: Solve for x
    x = 5,102,618,545.90/106,747.53
  6. Step 6: Final answer
    x = 47,800.81

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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.