Home / 136,099.54-204,190.79-69,586.36

Finding the Fourth Proportional to 136,099.54, 204,190.79 and 69,586.36

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Solution

The fourth proportional to 136,099.54, 204,190.79 and 69,586.36 is: 104,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,099.54 : 204,190.79 = 69,586.36 : x
  2. Step 2: Convert to fraction form
    136,099.54/204,190.79 = 69,586.36/x
  3. Step 3: Cross multiply
    136,099.54x = 204,190.79 × 69,586.36
  4. Step 4: Simplify right side
    136,099.54x = 14,208,893,821.62
  5. Step 5: Solve for x
    x = 14,208,893,821.62/136,099.54
  6. Step 6: Final answer
    x = 104,400.75

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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.