Home / 246,386.90-339,993.55-138,983.33

Finding the Fourth Proportional to 246,386.90, 339,993.55 and 138,983.33

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Solution

The fourth proportional to 246,386.90, 339,993.55 and 138,983.33 is: 191,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,386.90 : 339,993.55 = 138,983.33 : x
  2. Step 2: Convert to fraction form
    246,386.90/339,993.55 = 138,983.33/x
  3. Step 3: Cross multiply
    246,386.90x = 339,993.55 × 138,983.33
  4. Step 4: Simplify right side
    246,386.90x = 47,253,435,757.52
  5. Step 5: Solve for x
    x = 47,253,435,757.52/246,386.90
  6. Step 6: Final answer
    x = 191,785.50

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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.