Home / 100,819.28-151,322.39-50,934.50

Finding the Fourth Proportional to 100,819.28, 151,322.39 and 50,934.50

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Solution

The fourth proportional to 100,819.28, 151,322.39 and 50,934.50 is: 76,448.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,819.28 : 151,322.39 = 50,934.50 : x
  2. Step 2: Convert to fraction form
    100,819.28/151,322.39 = 50,934.50/x
  3. Step 3: Cross multiply
    100,819.28x = 151,322.39 × 50,934.50
  4. Step 4: Simplify right side
    100,819.28x = 7,707,530,779.10
  5. Step 5: Solve for x
    x = 7,707,530,779.10/100,819.28
  6. Step 6: Final answer
    x = 76,448.97

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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.