Home / 231,147.12-346,722.12-71,221.08

Finding the Fourth Proportional to 231,147.12, 346,722.12 and 71,221.08

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Solution

The fourth proportional to 231,147.12, 346,722.12 and 71,221.08 is: 106,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,147.12 : 346,722.12 = 71,221.08 : x
  2. Step 2: Convert to fraction form
    231,147.12/346,722.12 = 71,221.08/x
  3. Step 3: Cross multiply
    231,147.12x = 346,722.12 × 71,221.08
  4. Step 4: Simplify right side
    231,147.12x = 24,693,923,846.29
  5. Step 5: Solve for x
    x = 24,693,923,846.29/231,147.12
  6. Step 6: Final answer
    x = 106,832.06

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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.