Home / 81,902.96-122,840.73-22,744.61

Finding the Fourth Proportional to 81,902.96, 122,840.73 and 22,744.61

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Solution

The fourth proportional to 81,902.96, 122,840.73 and 22,744.61 is: 34,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,902.96 : 122,840.73 = 22,744.61 : x
  2. Step 2: Convert to fraction form
    81,902.96/122,840.73 = 22,744.61/x
  3. Step 3: Cross multiply
    81,902.96x = 122,840.73 × 22,744.61
  4. Step 4: Simplify right side
    81,902.96x = 2,793,963,881.76
  5. Step 5: Solve for x
    x = 2,793,963,881.76/81,902.96
  6. Step 6: Final answer
    x = 34,113.10

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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.