Home / 215,294.14-322,731.69-102,945.34

Finding the Fourth Proportional to 215,294.14, 322,731.69 and 102,945.34

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Solution

The fourth proportional to 215,294.14, 322,731.69 and 102,945.34 is: 154,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,294.14 : 322,731.69 = 102,945.34 : x
  2. Step 2: Convert to fraction form
    215,294.14/322,731.69 = 102,945.34/x
  3. Step 3: Cross multiply
    215,294.14x = 322,731.69 × 102,945.34
  4. Step 4: Simplify right side
    215,294.14x = 33,223,723,555.82
  5. Step 5: Solve for x
    x = 33,223,723,555.82/215,294.14
  6. Step 6: Final answer
    x = 154,317.83

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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.