Home / 219,632.45-329,449.65-107,321.49

Finding the Fourth Proportional to 219,632.45, 329,449.65 and 107,321.49

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Solution

The fourth proportional to 219,632.45, 329,449.65 and 107,321.49 is: 160,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,632.45 : 329,449.65 = 107,321.49 : x
  2. Step 2: Convert to fraction form
    219,632.45/329,449.65 = 107,321.49/x
  3. Step 3: Cross multiply
    219,632.45x = 329,449.65 × 107,321.49
  4. Step 4: Simplify right side
    219,632.45x = 35,357,026,915.52
  5. Step 5: Solve for x
    x = 35,357,026,915.52/219,632.45
  6. Step 6: Final answer
    x = 160,982.71

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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.