Home / 143,369.36-215,010.30-38,174.66

Finding the Fourth Proportional to 143,369.36, 215,010.30 and 38,174.66

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Solution

The fourth proportional to 143,369.36, 215,010.30 and 38,174.66 is: 57,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,369.36 : 215,010.30 = 38,174.66 : x
  2. Step 2: Convert to fraction form
    143,369.36/215,010.30 = 38,174.66/x
  3. Step 3: Cross multiply
    143,369.36x = 215,010.30 × 38,174.66
  4. Step 4: Simplify right side
    143,369.36x = 8,207,945,099.00
  5. Step 5: Solve for x
    x = 8,207,945,099.00/143,369.36
  6. Step 6: Final answer
    x = 57,250.34

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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.