Home / 136,104.36-187,824.60-75,680.52

Finding the Fourth Proportional to 136,104.36, 187,824.60 and 75,680.52

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Solution

The fourth proportional to 136,104.36, 187,824.60 and 75,680.52 is: 104,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,104.36 : 187,824.60 = 75,680.52 : x
  2. Step 2: Convert to fraction form
    136,104.36/187,824.60 = 75,680.52/x
  3. Step 3: Cross multiply
    136,104.36x = 187,824.60 × 75,680.52
  4. Step 4: Simplify right side
    136,104.36x = 14,214,663,396.79
  5. Step 5: Solve for x
    x = 14,214,663,396.79/136,104.36
  6. Step 6: Final answer
    x = 104,439.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.