Home / 205,936.04-309,009.99-155,999.54

Finding the Fourth Proportional to 205,936.04, 309,009.99 and 155,999.54

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Solution

The fourth proportional to 205,936.04, 309,009.99 and 155,999.54 is: 234,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,936.04 : 309,009.99 = 155,999.54 : x
  2. Step 2: Convert to fraction form
    205,936.04/309,009.99 = 155,999.54/x
  3. Step 3: Cross multiply
    205,936.04x = 309,009.99 × 155,999.54
  4. Step 4: Simplify right side
    205,936.04x = 48,205,416,295.40
  5. Step 5: Solve for x
    x = 48,205,416,295.40/205,936.04
  6. Step 6: Final answer
    x = 234,079.55

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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.