Home / 103,929.80-155,940.60-50,592.20

Finding the Fourth Proportional to 103,929.80, 155,940.60 and 50,592.20

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Solution

The fourth proportional to 103,929.80, 155,940.60 and 50,592.20 is: 75,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,929.80 : 155,940.60 = 50,592.20 : x
  2. Step 2: Convert to fraction form
    103,929.80/155,940.60 = 50,592.20/x
  3. Step 3: Cross multiply
    103,929.80x = 155,940.60 × 50,592.20
  4. Step 4: Simplify right side
    103,929.80x = 7,889,378,023.32
  5. Step 5: Solve for x
    x = 7,889,378,023.32/103,929.80
  6. Step 6: Final answer
    x = 75,910.64

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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.