Home / 143,640.31-215,501.57-48,891.37

Finding the Fourth Proportional to 143,640.31, 215,501.57 and 48,891.37

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Solution

The fourth proportional to 143,640.31, 215,501.57 and 48,891.37 is: 73,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,640.31 : 215,501.57 = 48,891.37 : x
  2. Step 2: Convert to fraction form
    143,640.31/215,501.57 = 48,891.37/x
  3. Step 3: Cross multiply
    143,640.31x = 215,501.57 × 48,891.37
  4. Step 4: Simplify right side
    143,640.31x = 10,536,166,211.24
  5. Step 5: Solve for x
    x = 10,536,166,211.24/143,640.31
  6. Step 6: Final answer
    x = 73,351.04

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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.