Home / 215,931.51-323,995.68-110,824.29

Finding the Fourth Proportional to 215,931.51, 323,995.68 and 110,824.29

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Solution

The fourth proportional to 215,931.51, 323,995.68 and 110,824.29 is: 166,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,931.51 : 323,995.68 = 110,824.29 : x
  2. Step 2: Convert to fraction form
    215,931.51/323,995.68 = 110,824.29/x
  3. Step 3: Cross multiply
    215,931.51x = 323,995.68 × 110,824.29
  4. Step 4: Simplify right side
    215,931.51x = 35,906,591,199.07
  5. Step 5: Solve for x
    x = 35,906,591,199.07/215,931.51
  6. Step 6: Final answer
    x = 166,286.95

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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.