Home / 231,026.80-346,540.20-141,991.60

Finding the Fourth Proportional to 231,026.80, 346,540.20 and 141,991.60

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Solution

The fourth proportional to 231,026.80, 346,540.20 and 141,991.60 is: 212,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,026.80 : 346,540.20 = 141,991.60 : x
  2. Step 2: Convert to fraction form
    231,026.80/346,540.20 = 141,991.60/x
  3. Step 3: Cross multiply
    231,026.80x = 346,540.20 × 141,991.60
  4. Step 4: Simplify right side
    231,026.80x = 49,205,797,462.32
  5. Step 5: Solve for x
    x = 49,205,797,462.32/231,026.80
  6. Step 6: Final answer
    x = 212,987.40

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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.