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Finding the Fourth Proportional to 136,019.30, 204,028.65 and 36,179.51

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Solution

The fourth proportional to 136,019.30, 204,028.65 and 36,179.51 is: 54,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.30 : 204,028.65 = 36,179.51 : x
  2. Step 2: Convert to fraction form
    136,019.30/204,028.65 = 36,179.51/x
  3. Step 3: Cross multiply
    136,019.30x = 204,028.65 × 36,179.51
  4. Step 4: Simplify right side
    136,019.30x = 7,381,656,582.96
  5. Step 5: Solve for x
    x = 7,381,656,582.96/136,019.30
  6. Step 6: Final answer
    x = 54,269.19

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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.