Home / 258,181.48-386,443.41-137,937.94

Finding the Fourth Proportional to 258,181.48, 386,443.41 and 137,937.94

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Solution

The fourth proportional to 258,181.48, 386,443.41 and 137,937.94 is: 206,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,181.48 : 386,443.41 = 137,937.94 : x
  2. Step 2: Convert to fraction form
    258,181.48/386,443.41 = 137,937.94/x
  3. Step 3: Cross multiply
    258,181.48x = 386,443.41 × 137,937.94
  4. Step 4: Simplify right side
    258,181.48x = 53,305,207,901.98
  5. Step 5: Solve for x
    x = 53,305,207,901.98/258,181.48
  6. Step 6: Final answer
    x = 206,464.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.