Home / 128,336.32-192,504.48-62,616

Finding the Fourth Proportional to 128,336.32, 192,504.48 and 62,616

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Solution

The fourth proportional to 128,336.32, 192,504.48 and 62,616 is: 93,924

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,336.32 : 192,504.48 = 62,616 : x
  2. Step 2: Convert to fraction form
    128,336.32/192,504.48 = 62,616/x
  3. Step 3: Cross multiply
    128,336.32x = 192,504.48 × 62,616
  4. Step 4: Simplify right side
    128,336.32x = 12,053,860,519.68
  5. Step 5: Solve for x
    x = 12,053,860,519.68/128,336.32
  6. Step 6: Final answer
    x = 93,924

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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.