Home / 251,285.10-346,769.42-138,105.42

Finding the Fourth Proportional to 251,285.10, 346,769.42 and 138,105.42

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Solution

The fourth proportional to 251,285.10, 346,769.42 and 138,105.42 is: 190,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,285.10 : 346,769.42 = 138,105.42 : x
  2. Step 2: Convert to fraction form
    251,285.10/346,769.42 = 138,105.42/x
  3. Step 3: Cross multiply
    251,285.10x = 346,769.42 × 138,105.42
  4. Step 4: Simplify right side
    251,285.10x = 47,890,735,701.73
  5. Step 5: Solve for x
    x = 47,890,735,701.73/251,285.10
  6. Step 6: Final answer
    x = 190,583.27

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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.