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Finding the Fourth Proportional to 81,958.59, 122,938.02 and 22,794.30

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Solution

The fourth proportional to 81,958.59, 122,938.02 and 22,794.30 is: 34,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,958.59 : 122,938.02 = 22,794.30 : x
  2. Step 2: Convert to fraction form
    81,958.59/122,938.02 = 22,794.30/x
  3. Step 3: Cross multiply
    81,958.59x = 122,938.02 × 22,794.30
  4. Step 4: Simplify right side
    81,958.59x = 2,802,286,109.29
  5. Step 5: Solve for x
    x = 2,802,286,109.29/81,958.59
  6. Step 6: Final answer
    x = 34,191.49

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1.5x scale

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.