Home / 143,688.38-215,631.59-50,194.13

Finding the Fourth Proportional to 143,688.38, 215,631.59 and 50,194.13

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Solution

The fourth proportional to 143,688.38, 215,631.59 and 50,194.13 is: 75,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,688.38 : 215,631.59 = 50,194.13 : x
  2. Step 2: Convert to fraction form
    143,688.38/215,631.59 = 50,194.13/x
  3. Step 3: Cross multiply
    143,688.38x = 215,631.59 × 50,194.13
  4. Step 4: Simplify right side
    143,688.38x = 10,823,438,731.44
  5. Step 5: Solve for x
    x = 10,823,438,731.44/143,688.38
  6. Step 6: Final answer
    x = 75,325.78

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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.