Home / 251,394.23-346,930.76-136,680.59

Finding the Fourth Proportional to 251,394.23, 346,930.76 and 136,680.59

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Solution

The fourth proportional to 251,394.23, 346,930.76 and 136,680.59 is: 188,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,394.23 : 346,930.76 = 136,680.59 : x
  2. Step 2: Convert to fraction form
    251,394.23/346,930.76 = 136,680.59/x
  3. Step 3: Cross multiply
    251,394.23x = 346,930.76 × 136,680.59
  4. Step 4: Simplify right side
    251,394.23x = 47,418,702,174.98
  5. Step 5: Solve for x
    x = 47,418,702,174.98/251,394.23
  6. Step 6: Final answer
    x = 188,622.87

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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.