Home / 103,576.43-155,367.98-28,697.30

Finding the Fourth Proportional to 103,576.43, 155,367.98 and 28,697.30

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Solution

The fourth proportional to 103,576.43, 155,367.98 and 28,697.30 is: 43,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,576.43 : 155,367.98 = 28,697.30 : x
  2. Step 2: Convert to fraction form
    103,576.43/155,367.98 = 28,697.30/x
  3. Step 3: Cross multiply
    103,576.43x = 155,367.98 × 28,697.30
  4. Step 4: Simplify right side
    103,576.43x = 4,458,640,612.13
  5. Step 5: Solve for x
    x = 4,458,640,612.13/103,576.43
  6. Step 6: Final answer
    x = 43,046.87

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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.