Home / 136,035.69-204,074.67-69,439.79

Finding the Fourth Proportional to 136,035.69, 204,074.67 and 69,439.79

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Solution

The fourth proportional to 136,035.69, 204,074.67 and 69,439.79 is: 104,170.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,035.69 : 204,074.67 = 69,439.79 : x
  2. Step 2: Convert to fraction form
    136,035.69/204,074.67 = 69,439.79/x
  3. Step 3: Cross multiply
    136,035.69x = 204,074.67 × 69,439.79
  4. Step 4: Simplify right side
    136,035.69x = 14,170,902,229.12
  5. Step 5: Solve for x
    x = 14,170,902,229.12/136,035.69
  6. Step 6: Final answer
    x = 104,170.47

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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.