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Finding the Fourth Proportional to 136,094.62, 204,183.45 and 69,581.46

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Solution

The fourth proportional to 136,094.62, 204,183.45 and 69,581.46 is: 104,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,094.62 : 204,183.45 = 69,581.46 : x
  2. Step 2: Convert to fraction form
    136,094.62/204,183.45 = 69,581.46/x
  3. Step 3: Cross multiply
    136,094.62x = 204,183.45 × 69,581.46
  4. Step 4: Simplify right side
    136,094.62x = 14,207,381,308.18
  5. Step 5: Solve for x
    x = 14,207,381,308.18/136,094.62
  6. Step 6: Final answer
    x = 104,393.41

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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.