Home / 205,218.36-308,016.76-104,087.38

Finding the Fourth Proportional to 205,218.36, 308,016.76 and 104,087.38

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Solution

The fourth proportional to 205,218.36, 308,016.76 and 104,087.38 is: 156,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,218.36 : 308,016.76 = 104,087.38 : x
  2. Step 2: Convert to fraction form
    205,218.36/308,016.76 = 104,087.38/x
  3. Step 3: Cross multiply
    205,218.36x = 308,016.76 × 104,087.38
  4. Step 4: Simplify right side
    205,218.36x = 32,060,657,544.49
  5. Step 5: Solve for x
    x = 32,060,657,544.49/205,218.36
  6. Step 6: Final answer
    x = 156,227.04

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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.