Home / 136,396.09-204,462.91-69,867.55

Finding the Fourth Proportional to 136,396.09, 204,462.91 and 69,867.55

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Solution

The fourth proportional to 136,396.09, 204,462.91 and 69,867.55 is: 104,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,396.09 : 204,462.91 = 69,867.55 : x
  2. Step 2: Convert to fraction form
    136,396.09/204,462.91 = 69,867.55/x
  3. Step 3: Cross multiply
    136,396.09x = 204,462.91 × 69,867.55
  4. Step 4: Simplify right side
    136,396.09x = 14,285,322,587.57
  5. Step 5: Solve for x
    x = 14,285,322,587.57/136,396.09
  6. Step 6: Final answer
    x = 104,734.11

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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.