Home / 251,049.37-346,447.72-137,872.12

Finding the Fourth Proportional to 251,049.37, 346,447.72 and 137,872.12

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Solution

The fourth proportional to 251,049.37, 346,447.72 and 137,872.12 is: 190,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,049.37 : 346,447.72 = 137,872.12 : x
  2. Step 2: Convert to fraction form
    251,049.37/346,447.72 = 137,872.12/x
  3. Step 3: Cross multiply
    251,049.37x = 346,447.72 × 137,872.12
  4. Step 4: Simplify right side
    251,049.37x = 47,765,480,414.77
  5. Step 5: Solve for x
    x = 47,765,480,414.77/251,049.37
  6. Step 6: Final answer
    x = 190,263.30

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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.