Home / 61,146.77-91,720.29-16,774.16

Finding the Fourth Proportional to 61,146.77, 91,720.29 and 16,774.16

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Solution

The fourth proportional to 61,146.77, 91,720.29 and 16,774.16 is: 25,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146.77 : 91,720.29 = 16,774.16 : x
  2. Step 2: Convert to fraction form
    61,146.77/91,720.29 = 16,774.16/x
  3. Step 3: Cross multiply
    61,146.77x = 91,720.29 × 16,774.16
  4. Step 4: Simplify right side
    61,146.77x = 1,538,530,361.10
  5. Step 5: Solve for x
    x = 1,538,530,361.10/61,146.77
  6. Step 6: Final answer
    x = 25,161.27

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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.