Home / 251,067.32-346,475.64-137,890.06

Finding the Fourth Proportional to 251,067.32, 346,475.64 and 137,890.06

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Solution

The fourth proportional to 251,067.32, 346,475.64 and 137,890.06 is: 190,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,067.32 : 346,475.64 = 137,890.06 : x
  2. Step 2: Convert to fraction form
    251,067.32/346,475.64 = 137,890.06/x
  3. Step 3: Cross multiply
    251,067.32x = 346,475.64 × 137,890.06
  4. Step 4: Simplify right side
    251,067.32x = 47,775,546,788.14
  5. Step 5: Solve for x
    x = 47,775,546,788.14/251,067.32
  6. Step 6: Final answer
    x = 190,289.79

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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.