Home / 205,721.37-308,603.93-55,964.12

Finding the Fourth Proportional to 205,721.37, 308,603.93 and 55,964.12

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Solution

The fourth proportional to 205,721.37, 308,603.93 and 55,964.12 is: 83,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,721.37 : 308,603.93 = 55,964.12 : x
  2. Step 2: Convert to fraction form
    205,721.37/308,603.93 = 55,964.12/x
  3. Step 3: Cross multiply
    205,721.37x = 308,603.93 × 55,964.12
  4. Step 4: Simplify right side
    205,721.37x = 17,270,745,548.15
  5. Step 5: Solve for x
    x = 17,270,745,548.15/205,721.37
  6. Step 6: Final answer
    x = 83,952.12

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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.