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Finding the Fourth Proportional to 168,471.60, 232,489.02 and 91,990.46

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Solution

The fourth proportional to 168,471.60, 232,489.02 and 91,990.46 is: 126,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,471.60 : 232,489.02 = 91,990.46 : x
  2. Step 2: Convert to fraction form
    168,471.60/232,489.02 = 91,990.46/x
  3. Step 3: Cross multiply
    168,471.60x = 232,489.02 × 91,990.46
  4. Step 4: Simplify right side
    168,471.60x = 21,386,771,894.75
  5. Step 5: Solve for x
    x = 21,386,771,894.75/168,471.60
  6. Step 6: Final answer
    x = 126,945.86

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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.