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Finding the Fourth Proportional to 165,846.80, 248,770.20 and 66,000.80

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Solution

The fourth proportional to 165,846.80, 248,770.20 and 66,000.80 is: 99,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,846.80 : 248,770.20 = 66,000.80 : x
  2. Step 2: Convert to fraction form
    165,846.80/248,770.20 = 66,000.80/x
  3. Step 3: Cross multiply
    165,846.80x = 248,770.20 × 66,000.80
  4. Step 4: Simplify right side
    165,846.80x = 16,419,032,216.16
  5. Step 5: Solve for x
    x = 16,419,032,216.16/165,846.80
  6. Step 6: Final answer
    x = 99,001.20

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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.