Home / 213,154.80-319,732.23-108,003.84

Finding the Fourth Proportional to 213,154.80, 319,732.23 and 108,003.84

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Solution

The fourth proportional to 213,154.80, 319,732.23 and 108,003.84 is: 162,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,154.80 : 319,732.23 = 108,003.84 : x
  2. Step 2: Convert to fraction form
    213,154.80/319,732.23 = 108,003.84/x
  3. Step 3: Cross multiply
    213,154.80x = 319,732.23 × 108,003.84
  4. Step 4: Simplify right side
    213,154.80x = 34,532,308,611.76
  5. Step 5: Solve for x
    x = 34,532,308,611.76/213,154.80
  6. Step 6: Final answer
    x = 162,005.78

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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.