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Finding the Fourth Proportional to 133,993.29, 200,994.45 and 67,397.11

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Solution

The fourth proportional to 133,993.29, 200,994.45 and 67,397.11 is: 101,097.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,993.29 : 200,994.45 = 67,397.11 : x
  2. Step 2: Convert to fraction form
    133,993.29/200,994.45 = 67,397.11/x
  3. Step 3: Cross multiply
    133,993.29x = 200,994.45 × 67,397.11
  4. Step 4: Simplify right side
    133,993.29x = 13,546,445,056.04
  5. Step 5: Solve for x
    x = 13,546,445,056.04/133,993.29
  6. Step 6: Final answer
    x = 101,097.94

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1.5x scale

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.