Home / 61,150.06-91,718.94-16,781.28

Finding the Fourth Proportional to 61,150.06, 91,718.94 and 16,781.28

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Solution

The fourth proportional to 61,150.06, 91,718.94 and 16,781.28 is: 25,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,150.06 : 91,718.94 = 16,781.28 : x
  2. Step 2: Convert to fraction form
    61,150.06/91,718.94 = 16,781.28/x
  3. Step 3: Cross multiply
    61,150.06x = 91,718.94 × 16,781.28
  4. Step 4: Simplify right side
    61,150.06x = 1,539,161,213.44
  5. Step 5: Solve for x
    x = 1,539,161,213.44/61,150.06
  6. Step 6: Final answer
    x = 25,170.23

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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.