Home / 143,945.55-215,942.90-49,170.51

Finding the Fourth Proportional to 143,945.55, 215,942.90 and 49,170.51

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Solution

The fourth proportional to 143,945.55, 215,942.90 and 49,170.51 is: 73,764.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,945.55 : 215,942.90 = 49,170.51 : x
  2. Step 2: Convert to fraction form
    143,945.55/215,942.90 = 49,170.51/x
  3. Step 3: Cross multiply
    143,945.55x = 215,942.90 × 49,170.51
  4. Step 4: Simplify right side
    143,945.55x = 10,618,022,278.03
  5. Step 5: Solve for x
    x = 10,618,022,278.03/143,945.55
  6. Step 6: Final answer
    x = 73,764.16

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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.