Home / 215,961.49-323,993.27-97,632.64

Finding the Fourth Proportional to 215,961.49, 323,993.27 and 97,632.64

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Solution

The fourth proportional to 215,961.49, 323,993.27 and 97,632.64 is: 146,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,961.49 : 323,993.27 = 97,632.64 : x
  2. Step 2: Convert to fraction form
    215,961.49/323,993.27 = 97,632.64/x
  3. Step 3: Cross multiply
    215,961.49x = 323,993.27 × 97,632.64
  4. Step 4: Simplify right side
    215,961.49x = 31,632,318,292.33
  5. Step 5: Solve for x
    x = 31,632,318,292.33/215,961.49
  6. Step 6: Final answer
    x = 146,472.03

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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.