Home / 101,190.33-151,878.84-51,305.25

Finding the Fourth Proportional to 101,190.33, 151,878.84 and 51,305.25

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Solution

The fourth proportional to 101,190.33, 151,878.84 and 51,305.25 is: 77,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,190.33 : 151,878.84 = 51,305.25 : x
  2. Step 2: Convert to fraction form
    101,190.33/151,878.84 = 51,305.25/x
  3. Step 3: Cross multiply
    101,190.33x = 151,878.84 × 51,305.25
  4. Step 4: Simplify right side
    101,190.33x = 7,792,181,855.91
  5. Step 5: Solve for x
    x = 7,792,181,855.91/101,190.33
  6. Step 6: Final answer
    x = 77,005.20

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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.