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Finding the Fourth Proportional to 117,663.30, 162,376.38 and 63,948.36

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Solution

The fourth proportional to 117,663.30, 162,376.38 and 63,948.36 is: 88,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,663.30 : 162,376.38 = 63,948.36 : x
  2. Step 2: Convert to fraction form
    117,663.30/162,376.38 = 63,948.36/x
  3. Step 3: Cross multiply
    117,663.30x = 162,376.38 × 63,948.36
  4. Step 4: Simplify right side
    117,663.30x = 10,383,703,203.74
  5. Step 5: Solve for x
    x = 10,383,703,203.74/117,663.30
  6. Step 6: Final answer
    x = 88,249.29

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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.