Home / 281,498.06-422,188.76-103,883.70

Finding the Fourth Proportional to 281,498.06, 422,188.76 and 103,883.70

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Solution

The fourth proportional to 281,498.06, 422,188.76 and 103,883.70 is: 155,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,498.06 : 422,188.76 = 103,883.70 : x
  2. Step 2: Convert to fraction form
    281,498.06/422,188.76 = 103,883.70/x
  3. Step 3: Cross multiply
    281,498.06x = 422,188.76 × 103,883.70
  4. Step 4: Simplify right side
    281,498.06x = 43,858,530,487.21
  5. Step 5: Solve for x
    x = 43,858,530,487.21/281,498.06
  6. Step 6: Final answer
    x = 155,804.02

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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.