Home / 217,769.08-326,526.47-84,493.68

Finding the Fourth Proportional to 217,769.08, 326,526.47 and 84,493.68

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Solution

The fourth proportional to 217,769.08, 326,526.47 and 84,493.68 is: 126,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,769.08 : 326,526.47 = 84,493.68 : x
  2. Step 2: Convert to fraction form
    217,769.08/326,526.47 = 84,493.68/x
  3. Step 3: Cross multiply
    217,769.08x = 326,526.47 × 84,493.68
  4. Step 4: Simplify right side
    217,769.08x = 27,589,423,336.69
  5. Step 5: Solve for x
    x = 27,589,423,336.69/217,769.08
  6. Step 6: Final answer
    x = 126,691.19

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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.