Home / 103,537.44-155,309.62-28,651.32

Finding the Fourth Proportional to 103,537.44, 155,309.62 and 28,651.32

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Solution

The fourth proportional to 103,537.44, 155,309.62 and 28,651.32 is: 42,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,537.44 : 155,309.62 = 28,651.32 : x
  2. Step 2: Convert to fraction form
    103,537.44/155,309.62 = 28,651.32/x
  3. Step 3: Cross multiply
    103,537.44x = 155,309.62 × 28,651.32
  4. Step 4: Simplify right side
    103,537.44x = 4,449,825,621.70
  5. Step 5: Solve for x
    x = 4,449,825,621.70/103,537.44
  6. Step 6: Final answer
    x = 42,977.94

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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.