Home / 86,438.22-119,284.30-50,147.01

Finding the Fourth Proportional to 86,438.22, 119,284.30 and 50,147.01

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Solution

The fourth proportional to 86,438.22, 119,284.30 and 50,147.01 is: 69,202.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,438.22 : 119,284.30 = 50,147.01 : x
  2. Step 2: Convert to fraction form
    86,438.22/119,284.30 = 50,147.01/x
  3. Step 3: Cross multiply
    86,438.22x = 119,284.30 × 50,147.01
  4. Step 4: Simplify right side
    86,438.22x = 5,981,750,984.94
  5. Step 5: Solve for x
    x = 5,981,750,984.94/86,438.22
  6. Step 6: Final answer
    x = 69,202.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.