Home / 217,733.03-326,620.08-84,623.48

Finding the Fourth Proportional to 217,733.03, 326,620.08 and 84,623.48

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Solution

The fourth proportional to 217,733.03, 326,620.08 and 84,623.48 is: 126,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,733.03 : 326,620.08 = 84,623.48 : x
  2. Step 2: Convert to fraction form
    217,733.03/326,620.08 = 84,623.48/x
  3. Step 3: Cross multiply
    217,733.03x = 326,620.08 × 84,623.48
  4. Step 4: Simplify right side
    217,733.03x = 27,639,726,174.38
  5. Step 5: Solve for x
    x = 27,639,726,174.38/217,733.03
  6. Step 6: Final answer
    x = 126,943.20

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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.