Home / 103,336.68-155,006.82-28,456.44

Finding the Fourth Proportional to 103,336.68, 155,006.82 and 28,456.44

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Solution

The fourth proportional to 103,336.68, 155,006.82 and 28,456.44 is: 42,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,336.68 : 155,006.82 = 28,456.44 : x
  2. Step 2: Convert to fraction form
    103,336.68/155,006.82 = 28,456.44/x
  3. Step 3: Cross multiply
    103,336.68x = 155,006.82 × 28,456.44
  4. Step 4: Simplify right side
    103,336.68x = 4,410,942,272.92
  5. Step 5: Solve for x
    x = 4,410,942,272.92/103,336.68
  6. Step 6: Final answer
    x = 42,685.16

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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.