Home / 146,491.20-219,882.60-71,695.80

Finding the Fourth Proportional to 146,491.20, 219,882.60 and 71,695.80

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Solution

The fourth proportional to 146,491.20, 219,882.60 and 71,695.80 is: 107,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,491.20 : 219,882.60 = 71,695.80 : x
  2. Step 2: Convert to fraction form
    146,491.20/219,882.60 = 71,695.80/x
  3. Step 3: Cross multiply
    146,491.20x = 219,882.60 × 71,695.80
  4. Step 4: Simplify right side
    146,491.20x = 15,764,658,913.08
  5. Step 5: Solve for x
    x = 15,764,658,913.08/146,491.20
  6. Step 6: Final answer
    x = 107,615.06

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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.