Home / 217,723.36-326,657.76-84,607.96

Finding the Fourth Proportional to 217,723.36, 326,657.76 and 84,607.96

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Solution

The fourth proportional to 217,723.36, 326,657.76 and 84,607.96 is: 126,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,723.36 : 326,657.76 = 84,607.96 : x
  2. Step 2: Convert to fraction form
    217,723.36/326,657.76 = 84,607.96/x
  3. Step 3: Cross multiply
    217,723.36x = 326,657.76 × 84,607.96
  4. Step 4: Simplify right side
    217,723.36x = 27,637,846,691.77
  5. Step 5: Solve for x
    x = 27,637,846,691.77/217,723.36
  6. Step 6: Final answer
    x = 126,940.20

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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.