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Finding the Fourth Proportional to 117,118.54, 161,623.68 and 63,404.02

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Solution

The fourth proportional to 117,118.54, 161,623.68 and 63,404.02 is: 87,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,118.54 : 161,623.68 = 63,404.02 : x
  2. Step 2: Convert to fraction form
    117,118.54/161,623.68 = 63,404.02/x
  3. Step 3: Cross multiply
    117,118.54x = 161,623.68 × 63,404.02
  4. Step 4: Simplify right side
    117,118.54x = 10,247,591,039.19
  5. Step 5: Solve for x
    x = 10,247,591,039.19/117,118.54
  6. Step 6: Final answer
    x = 87,497.60

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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.