Home / 98,654.44-148,003.82-28,539.20

Finding the Fourth Proportional to 98,654.44, 148,003.82 and 28,539.20

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Solution

The fourth proportional to 98,654.44, 148,003.82 and 28,539.20 is: 42,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,654.44 : 148,003.82 = 28,539.20 : x
  2. Step 2: Convert to fraction form
    98,654.44/148,003.82 = 28,539.20/x
  3. Step 3: Cross multiply
    98,654.44x = 148,003.82 × 28,539.20
  4. Step 4: Simplify right side
    98,654.44x = 4,223,910,619.74
  5. Step 5: Solve for x
    x = 4,223,910,619.74/98,654.44
  6. Step 6: Final answer
    x = 42,815.21

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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.