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Finding the Fourth Proportional to 122,281.40, 183,422.10 and 84,227.60

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Solution

The fourth proportional to 122,281.40, 183,422.10 and 84,227.60 is: 126,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,281.40 : 183,422.10 = 84,227.60 : x
  2. Step 2: Convert to fraction form
    122,281.40/183,422.10 = 84,227.60/x
  3. Step 3: Cross multiply
    122,281.40x = 183,422.10 × 84,227.60
  4. Step 4: Simplify right side
    122,281.40x = 15,449,203,269.96
  5. Step 5: Solve for x
    x = 15,449,203,269.96/122,281.40
  6. Step 6: Final answer
    x = 126,341.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.