Home / 81,440.44-122,141.82-22,280.57

Finding the Fourth Proportional to 81,440.44, 122,141.82 and 22,280.57

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Solution

The fourth proportional to 81,440.44, 122,141.82 and 22,280.57 is: 33,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,440.44 : 122,141.82 = 22,280.57 : x
  2. Step 2: Convert to fraction form
    81,440.44/122,141.82 = 22,280.57/x
  3. Step 3: Cross multiply
    81,440.44x = 122,141.82 × 22,280.57
  4. Step 4: Simplify right side
    81,440.44x = 2,721,389,301.31
  5. Step 5: Solve for x
    x = 2,721,389,301.31/81,440.44
  6. Step 6: Final answer
    x = 33,415.70

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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.