Home / 213,350.40-319,757.76-108,195.84

Finding the Fourth Proportional to 213,350.40, 319,757.76 and 108,195.84

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Solution

The fourth proportional to 213,350.40, 319,757.76 and 108,195.84 is: 162,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,350.40 : 319,757.76 = 108,195.84 : x
  2. Step 2: Convert to fraction form
    213,350.40/319,757.76 = 108,195.84/x
  3. Step 3: Cross multiply
    213,350.40x = 319,757.76 × 108,195.84
  4. Step 4: Simplify right side
    213,350.40x = 34,596,459,439.72
  5. Step 5: Solve for x
    x = 34,596,459,439.72/213,350.40
  6. Step 6: Final answer
    x = 162,157.93

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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.