Home / 136,396.10-204,462.91-69,867.56

Finding the Fourth Proportional to 136,396.10, 204,462.91 and 69,867.56

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Solution

The fourth proportional to 136,396.10, 204,462.91 and 69,867.56 is: 104,734.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,396.10 : 204,462.91 = 69,867.56 : x
  2. Step 2: Convert to fraction form
    136,396.10/204,462.91 = 69,867.56/x
  3. Step 3: Cross multiply
    136,396.10x = 204,462.91 × 69,867.56
  4. Step 4: Simplify right side
    136,396.10x = 14,285,324,632.20
  5. Step 5: Solve for x
    x = 14,285,324,632.20/136,396.10
  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.