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Finding the Fourth Proportional to 136,110, 204,206.40 and 69,596.82

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Solution

The fourth proportional to 136,110, 204,206.40 and 69,596.82 is: 104,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,110 : 204,206.40 = 69,596.82 : x
  2. Step 2: Convert to fraction form
    136,110/204,206.40 = 69,596.82/x
  3. Step 3: Cross multiply
    136,110x = 204,206.40 × 69,596.82
  4. Step 4: Simplify right side
    136,110x = 14,212,116,063.65
  5. Step 5: Solve for x
    x = 14,212,116,063.65/136,110
  6. Step 6: Final answer
    x = 104,416.40

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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.