Home / 205,936.90-308,905.35-161,700.10

Finding the Fourth Proportional to 205,936.90, 308,905.35 and 161,700.10

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Solution

The fourth proportional to 205,936.90, 308,905.35 and 161,700.10 is: 242,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,936.90 : 308,905.35 = 161,700.10 : x
  2. Step 2: Convert to fraction form
    205,936.90/308,905.35 = 161,700.10/x
  3. Step 3: Cross multiply
    205,936.90x = 308,905.35 × 161,700.10
  4. Step 4: Simplify right side
    205,936.90x = 49,950,025,985.54
  5. Step 5: Solve for x
    x = 49,950,025,985.54/205,936.90
  6. Step 6: Final answer
    x = 242,550.15

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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.