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Finding the Fourth Proportional to 114,443.60, 171,665.40 and 107,992.40

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Solution

The fourth proportional to 114,443.60, 171,665.40 and 107,992.40 is: 161,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,443.60 : 171,665.40 = 107,992.40 : x
  2. Step 2: Convert to fraction form
    114,443.60/171,665.40 = 107,992.40/x
  3. Step 3: Cross multiply
    114,443.60x = 171,665.40 × 107,992.40
  4. Step 4: Simplify right side
    114,443.60x = 18,538,558,542.96
  5. Step 5: Solve for x
    x = 18,538,558,542.96/114,443.60
  6. Step 6: Final answer
    x = 161,988.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.