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Finding the Fourth Proportional to 161,015.80, 241,566.90 and 143,606.20

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Solution

The fourth proportional to 161,015.80, 241,566.90 and 143,606.20 is: 215,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,015.80 : 241,566.90 = 143,606.20 : x
  2. Step 2: Convert to fraction form
    161,015.80/241,566.90 = 143,606.20/x
  3. Step 3: Cross multiply
    161,015.80x = 241,566.90 × 143,606.20
  4. Step 4: Simplify right side
    161,015.80x = 34,690,504,554.78
  5. Step 5: Solve for x
    x = 34,690,504,554.78/161,015.80
  6. Step 6: Final answer
    x = 215,447.83

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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.