Home / 143,631.54-215,545.72-50,137.28

Finding the Fourth Proportional to 143,631.54, 215,545.72 and 50,137.28

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Solution

The fourth proportional to 143,631.54, 215,545.72 and 50,137.28 is: 75,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,631.54 : 215,545.72 = 50,137.28 : x
  2. Step 2: Convert to fraction form
    143,631.54/215,545.72 = 50,137.28/x
  3. Step 3: Cross multiply
    143,631.54x = 215,545.72 × 50,137.28
  4. Step 4: Simplify right side
    143,631.54x = 10,806,876,116.44
  5. Step 5: Solve for x
    x = 10,806,876,116.44/143,631.54
  6. Step 6: Final answer
    x = 75,240.27

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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.