Home / 231,198.21-346,994.15-91,055.25

Finding the Fourth Proportional to 231,198.21, 346,994.15 and 91,055.25

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Solution

The fourth proportional to 231,198.21, 346,994.15 and 91,055.25 is: 136,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,198.21 : 346,994.15 = 91,055.25 : x
  2. Step 2: Convert to fraction form
    231,198.21/346,994.15 = 91,055.25/x
  3. Step 3: Cross multiply
    231,198.21x = 346,994.15 × 91,055.25
  4. Step 4: Simplify right side
    231,198.21x = 31,595,638,621.51
  5. Step 5: Solve for x
    x = 31,595,638,621.51/231,198.21
  6. Step 6: Final answer
    x = 136,660.39

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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.