Home / 85,186.26-117,557.21-51,195.27

Finding the Fourth Proportional to 85,186.26, 117,557.21 and 51,195.27

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Solution

The fourth proportional to 85,186.26, 117,557.21 and 51,195.27 is: 70,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,186.26 : 117,557.21 = 51,195.27 : x
  2. Step 2: Convert to fraction form
    85,186.26/117,557.21 = 51,195.27/x
  3. Step 3: Cross multiply
    85,186.26x = 117,557.21 × 51,195.27
  4. Step 4: Simplify right side
    85,186.26x = 6,018,373,675.22
  5. Step 5: Solve for x
    x = 6,018,373,675.22/85,186.26
  6. Step 6: Final answer
    x = 70,649.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.