Home / 81,444.43-122,166.74-22,280.61

Finding the Fourth Proportional to 81,444.43, 122,166.74 and 22,280.61

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Solution

The fourth proportional to 81,444.43, 122,166.74 and 22,280.61 is: 33,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,444.43 : 122,166.74 = 22,280.61 : x
  2. Step 2: Convert to fraction form
    81,444.43/122,166.74 = 22,280.61/x
  3. Step 3: Cross multiply
    81,444.43x = 122,166.74 × 22,280.61
  4. Step 4: Simplify right side
    81,444.43x = 2,721,949,544.61
  5. Step 5: Solve for x
    x = 2,721,949,544.61/81,444.43
  6. Step 6: Final answer
    x = 33,420.94

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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.