Home / 246,311.10-339,908.76-138,880.51

Finding the Fourth Proportional to 246,311.10, 339,908.76 and 138,880.51

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Solution

The fourth proportional to 246,311.10, 339,908.76 and 138,880.51 is: 191,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,311.10 : 339,908.76 = 138,880.51 : x
  2. Step 2: Convert to fraction form
    246,311.10/339,908.76 = 138,880.51/x
  3. Step 3: Cross multiply
    246,311.10x = 339,908.76 × 138,880.51
  4. Step 4: Simplify right side
    246,311.10x = 47,206,701,092.50
  5. Step 5: Solve for x
    x = 47,206,701,092.50/246,311.10
  6. Step 6: Final answer
    x = 191,654.79

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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.