Home / 90,736.94-136,105.64-27,557.55

Finding the Fourth Proportional to 90,736.94, 136,105.64 and 27,557.55

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Solution

The fourth proportional to 90,736.94, 136,105.64 and 27,557.55 is: 41,336.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.94 : 136,105.64 = 27,557.55 : x
  2. Step 2: Convert to fraction form
    90,736.94/136,105.64 = 27,557.55/x
  3. Step 3: Cross multiply
    90,736.94x = 136,105.64 × 27,557.55
  4. Step 4: Simplify right side
    90,736.94x = 3,750,737,979.58
  5. Step 5: Solve for x
    x = 3,750,737,979.58/90,736.94
  6. Step 6: Final answer
    x = 41,336.39

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1.5x scale

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.