Home / 138,623.80-207,933.78-33,441.88

Finding the Fourth Proportional to 138,623.80, 207,933.78 and 33,441.88

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Solution

The fourth proportional to 138,623.80, 207,933.78 and 33,441.88 is: 50,162.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,623.80 : 207,933.78 = 33,441.88 : x
  2. Step 2: Convert to fraction form
    138,623.80/207,933.78 = 33,441.88/x
  3. Step 3: Cross multiply
    138,623.80x = 207,933.78 × 33,441.88
  4. Step 4: Simplify right side
    138,623.80x = 6,953,696,518.71
  5. Step 5: Solve for x
    x = 6,953,696,518.71/138,623.80
  6. Step 6: Final answer
    x = 50,162.36

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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.