Home / 143,791.11-215,605.83-98,865.27

Finding the Fourth Proportional to 143,791.11, 215,605.83 and 98,865.27

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Solution

The fourth proportional to 143,791.11, 215,605.83 and 98,865.27 is: 148,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,791.11 : 215,605.83 = 98,865.27 : x
  2. Step 2: Convert to fraction form
    143,791.11/215,605.83 = 98,865.27/x
  3. Step 3: Cross multiply
    143,791.11x = 215,605.83 × 98,865.27
  4. Step 4: Simplify right side
    143,791.11x = 21,315,928,596.52
  5. Step 5: Solve for x
    x = 21,315,928,596.52/143,791.11
  6. Step 6: Final answer
    x = 148,242.33

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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.