Home / 217,853.43-326,780.39-68,094.51

Finding the Fourth Proportional to 217,853.43, 326,780.39 and 68,094.51

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Solution

The fourth proportional to 217,853.43, 326,780.39 and 68,094.51 is: 102,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,853.43 : 326,780.39 = 68,094.51 : x
  2. Step 2: Convert to fraction form
    217,853.43/326,780.39 = 68,094.51/x
  3. Step 3: Cross multiply
    217,853.43x = 326,780.39 × 68,094.51
  4. Step 4: Simplify right side
    217,853.43x = 22,251,950,534.66
  5. Step 5: Solve for x
    x = 22,251,950,534.66/217,853.43
  6. Step 6: Final answer
    x = 102,141.84

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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.