Home / 103,619.92-155,414.41-28,732.24

Finding the Fourth Proportional to 103,619.92, 155,414.41 and 28,732.24

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Solution

The fourth proportional to 103,619.92, 155,414.41 and 28,732.24 is: 43,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.92 : 155,414.41 = 28,732.24 : x
  2. Step 2: Convert to fraction form
    103,619.92/155,414.41 = 28,732.24/x
  3. Step 3: Cross multiply
    103,619.92x = 155,414.41 × 28,732.24
  4. Step 4: Simplify right side
    103,619.92x = 4,465,404,127.58
  5. Step 5: Solve for x
    x = 4,465,404,127.58/103,619.92
  6. Step 6: Final answer
    x = 43,094.07

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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.