Home / 215,716.07-323,645.85-95,756.38

Finding the Fourth Proportional to 215,716.07, 323,645.85 and 95,756.38

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Solution

The fourth proportional to 215,716.07, 323,645.85 and 95,756.38 is: 143,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,716.07 : 323,645.85 = 95,756.38 : x
  2. Step 2: Convert to fraction form
    215,716.07/323,645.85 = 95,756.38/x
  3. Step 3: Cross multiply
    215,716.07x = 323,645.85 × 95,756.38
  4. Step 4: Simplify right side
    215,716.07x = 30,991,153,379.79
  5. Step 5: Solve for x
    x = 30,991,153,379.79/215,716.07
  6. Step 6: Final answer
    x = 143,666.41

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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.