Home / 136,051.10-203,906.55-69,517.70

Finding the Fourth Proportional to 136,051.10, 203,906.55 and 69,517.70

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Solution

The fourth proportional to 136,051.10, 203,906.55 and 69,517.70 is: 104,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,051.10 : 203,906.55 = 69,517.70 : x
  2. Step 2: Convert to fraction form
    136,051.10/203,906.55 = 69,517.70/x
  3. Step 3: Cross multiply
    136,051.10x = 203,906.55 × 69,517.70
  4. Step 4: Simplify right side
    136,051.10x = 14,175,114,370.94
  5. Step 5: Solve for x
    x = 14,175,114,370.94/136,051.10
  6. Step 6: Final answer
    x = 104,189.63

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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.