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Finding the Fourth Proportional to 133,399.74, 199,877.46 and 93,873.84

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Solution

The fourth proportional to 133,399.74, 199,877.46 and 93,873.84 is: 140,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,399.74 : 199,877.46 = 93,873.84 : x
  2. Step 2: Convert to fraction form
    133,399.74/199,877.46 = 93,873.84/x
  3. Step 3: Cross multiply
    133,399.74x = 199,877.46 × 93,873.84
  4. Step 4: Simplify right side
    133,399.74x = 18,763,264,699.65
  5. Step 5: Solve for x
    x = 18,763,264,699.65/133,399.74
  6. Step 6: Final answer
    x = 140,654.43

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Why These Related Problems?

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