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Finding the Fourth Proportional to 100,169.80, 150,036.36 and 50,162.68

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Solution

The fourth proportional to 100,169.80, 150,036.36 and 50,162.68 is: 75,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,169.80 : 150,036.36 = 50,162.68 : x
  2. Step 2: Convert to fraction form
    100,169.80/150,036.36 = 50,162.68/x
  3. Step 3: Cross multiply
    100,169.80x = 150,036.36 × 50,162.68
  4. Step 4: Simplify right side
    100,169.80x = 7,526,225,915.04
  5. Step 5: Solve for x
    x = 7,526,225,915.04/100,169.80
  6. Step 6: Final answer
    x = 75,134.68

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1.5x scale

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.