Home / 251,021.96-346,400-136,296.14

Finding the Fourth Proportional to 251,021.96, 346,400 and 136,296.14

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Solution

The fourth proportional to 251,021.96, 346,400 and 136,296.14 is: 188,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,021.96 : 346,400 = 136,296.14 : x
  2. Step 2: Convert to fraction form
    251,021.96/346,400 = 136,296.14/x
  3. Step 3: Cross multiply
    251,021.96x = 346,400 × 136,296.14
  4. Step 4: Simplify right side
    251,021.96x = 47,212,982,896.00
  5. Step 5: Solve for x
    x = 47,212,982,896.00/251,021.96
  6. Step 6: Final answer
    x = 188,083.08

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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.