Home / 217,748.80-326,623.08-68,001.92

Finding the Fourth Proportional to 217,748.80, 326,623.08 and 68,001.92

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Solution

The fourth proportional to 217,748.80, 326,623.08 and 68,001.92 is: 102,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748.80 : 326,623.08 = 68,001.92 : x
  2. Step 2: Convert to fraction form
    217,748.80/326,623.08 = 68,001.92/x
  3. Step 3: Cross multiply
    217,748.80x = 326,623.08 × 68,001.92
  4. Step 4: Simplify right side
    217,748.80x = 22,210,996,556.31
  5. Step 5: Solve for x
    x = 22,210,996,556.31/217,748.80
  6. Step 6: Final answer
    x = 102,002.84

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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.