Home / 136,109.06-203,986.20-69,493.04

Finding the Fourth Proportional to 136,109.06, 203,986.20 and 69,493.04

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Solution

The fourth proportional to 136,109.06, 203,986.20 and 69,493.04 is: 104,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,109.06 : 203,986.20 = 69,493.04 : x
  2. Step 2: Convert to fraction form
    136,109.06/203,986.20 = 69,493.04/x
  3. Step 3: Cross multiply
    136,109.06x = 203,986.20 × 69,493.04
  4. Step 4: Simplify right side
    136,109.06x = 14,175,620,770.77
  5. Step 5: Solve for x
    x = 14,175,620,770.77/136,109.06
  6. Step 6: Final answer
    x = 104,148.99

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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.