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Finding the Fourth Proportional to 165,751.60, 248,481.60 and 99,218.20

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Solution

The fourth proportional to 165,751.60, 248,481.60 and 99,218.20 is: 148,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,751.60 : 248,481.60 = 99,218.20 : x
  2. Step 2: Convert to fraction form
    165,751.60/248,481.60 = 99,218.20/x
  3. Step 3: Cross multiply
    165,751.60x = 248,481.60 × 99,218.20
  4. Step 4: Simplify right side
    165,751.60x = 24,653,897,085.12
  5. Step 5: Solve for x
    x = 24,653,897,085.12/165,751.60
  6. Step 6: Final answer
    x = 148,740.02

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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.