Home / 117,286.32-161,851.19-69,511.31

Finding the Fourth Proportional to 117,286.32, 161,851.19 and 69,511.31

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Solution

The fourth proportional to 117,286.32, 161,851.19 and 69,511.31 is: 95,923.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,286.32 : 161,851.19 = 69,511.31 : x
  2. Step 2: Convert to fraction form
    117,286.32/161,851.19 = 69,511.31/x
  3. Step 3: Cross multiply
    117,286.32x = 161,851.19 × 69,511.31
  4. Step 4: Simplify right side
    117,286.32x = 11,250,487,085.15
  5. Step 5: Solve for x
    x = 11,250,487,085.15/117,286.32
  6. Step 6: Final answer
    x = 95,923.27

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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.