Home / 205,973.40-308,960.10-161,736.60

Finding the Fourth Proportional to 205,973.40, 308,960.10 and 161,736.60

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Solution

The fourth proportional to 205,973.40, 308,960.10 and 161,736.60 is: 242,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,973.40 : 308,960.10 = 161,736.60 : x
  2. Step 2: Convert to fraction form
    205,973.40/308,960.10 = 161,736.60/x
  3. Step 3: Cross multiply
    205,973.40x = 308,960.10 × 161,736.60
  4. Step 4: Simplify right side
    205,973.40x = 49,970,156,109.66
  5. Step 5: Solve for x
    x = 49,970,156,109.66/205,973.40
  6. Step 6: Final answer
    x = 242,604.90

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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.