Home / 205,418.20-308,127.30-134,560.60

Finding the Fourth Proportional to 205,418.20, 308,127.30 and 134,560.60

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Solution

The fourth proportional to 205,418.20, 308,127.30 and 134,560.60 is: 201,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,418.20 : 308,127.30 = 134,560.60 : x
  2. Step 2: Convert to fraction form
    205,418.20/308,127.30 = 134,560.60/x
  3. Step 3: Cross multiply
    205,418.20x = 308,127.30 × 134,560.60
  4. Step 4: Simplify right side
    205,418.20x = 41,461,794,364.38
  5. Step 5: Solve for x
    x = 41,461,794,364.38/205,418.20
  6. Step 6: Final answer
    x = 201,840.90

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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.