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Finding the Fourth Proportional to 92,662.45, 138,992.46 and 22,541.83

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Solution

The fourth proportional to 92,662.45, 138,992.46 and 22,541.83 is: 33,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,662.45 : 138,992.46 = 22,541.83 : x
  2. Step 2: Convert to fraction form
    92,662.45/138,992.46 = 22,541.83/x
  3. Step 3: Cross multiply
    92,662.45x = 138,992.46 × 22,541.83
  4. Step 4: Simplify right side
    92,662.45x = 3,133,144,404.60
  5. Step 5: Solve for x
    x = 3,133,144,404.60/92,662.45
  6. Step 6: Final answer
    x = 33,812.45

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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.