Home / 251,049.58-346,450.87-137,872.33

Finding the Fourth Proportional to 251,049.58, 346,450.87 and 137,872.33

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Solution

The fourth proportional to 251,049.58, 346,450.87 and 137,872.33 is: 190,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,049.58 : 346,450.87 = 137,872.33 : x
  2. Step 2: Convert to fraction form
    251,049.58/346,450.87 = 137,872.33/x
  3. Step 3: Cross multiply
    251,049.58x = 346,450.87 × 137,872.33
  4. Step 4: Simplify right side
    251,049.58x = 47,765,987,983.64
  5. Step 5: Solve for x
    x = 47,765,987,983.64/251,049.58
  6. Step 6: Final answer
    x = 190,265.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.