Home / 269,937.48-405,155.32-136,911.15

Finding the Fourth Proportional to 269,937.48, 405,155.32 and 136,911.15

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Solution

The fourth proportional to 269,937.48, 405,155.32 and 136,911.15 is: 205,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,937.48 : 405,155.32 = 136,911.15 : x
  2. Step 2: Convert to fraction form
    269,937.48/405,155.32 = 136,911.15/x
  3. Step 3: Cross multiply
    269,937.48x = 405,155.32 × 136,911.15
  4. Step 4: Simplify right side
    269,937.48x = 55,470,280,447.54
  5. Step 5: Solve for x
    x = 55,470,280,447.54/269,937.48
  6. Step 6: Final answer
    x = 205,493.06

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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.