Home / 101,016.16-151,617.72-51,131.30

Finding the Fourth Proportional to 101,016.16, 151,617.72 and 51,131.30

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Solution

The fourth proportional to 101,016.16, 151,617.72 and 51,131.30 is: 76,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,016.16 : 151,617.72 = 51,131.30 : x
  2. Step 2: Convert to fraction form
    101,016.16/151,617.72 = 51,131.30/x
  3. Step 3: Cross multiply
    101,016.16x = 151,617.72 × 51,131.30
  4. Step 4: Simplify right side
    101,016.16x = 7,752,411,413.14
  5. Step 5: Solve for x
    x = 7,752,411,413.14/101,016.16
  6. Step 6: Final answer
    x = 76,744.27

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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.