Home / 165,586.80-248,380.20-99,231.60

Finding the Fourth Proportional to 165,586.80, 248,380.20 and 99,231.60

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Solution

The fourth proportional to 165,586.80, 248,380.20 and 99,231.60 is: 148,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,586.80 : 248,380.20 = 99,231.60 : x
  2. Step 2: Convert to fraction form
    165,586.80/248,380.20 = 99,231.60/x
  3. Step 3: Cross multiply
    165,586.80x = 248,380.20 × 99,231.60
  4. Step 4: Simplify right side
    165,586.80x = 24,647,164,654.32
  5. Step 5: Solve for x
    x = 24,647,164,654.32/165,586.80
  6. Step 6: Final answer
    x = 148,847.40

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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.