Home / 109,251.55-163,837.69-38,154.27

Finding the Fourth Proportional to 109,251.55, 163,837.69 and 38,154.27

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Solution

The fourth proportional to 109,251.55, 163,837.69 and 38,154.27 is: 57,217.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,251.55 : 163,837.69 = 38,154.27 : x
  2. Step 2: Convert to fraction form
    109,251.55/163,837.69 = 38,154.27/x
  3. Step 3: Cross multiply
    109,251.55x = 163,837.69 × 38,154.27
  4. Step 4: Simplify right side
    109,251.55x = 6,251,107,979.44
  5. Step 5: Solve for x
    x = 6,251,107,979.44/109,251.55
  6. Step 6: Final answer
    x = 57,217.57

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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.