Home / 117,435.66-162,181.35-109,912.38

Finding the Fourth Proportional to 117,435.66, 162,181.35 and 109,912.38

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Solution

The fourth proportional to 117,435.66, 162,181.35 and 109,912.38 is: 151,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,435.66 : 162,181.35 = 109,912.38 : x
  2. Step 2: Convert to fraction form
    117,435.66/162,181.35 = 109,912.38/x
  3. Step 3: Cross multiply
    117,435.66x = 162,181.35 × 109,912.38
  4. Step 4: Simplify right side
    117,435.66x = 17,825,738,170.11
  5. Step 5: Solve for x
    x = 17,825,738,170.11/117,435.66
  6. Step 6: Final answer
    x = 151,791.53

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Why These Related Problems?

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