Home / 213,387.21-320,080.82-63,732.62

Finding the Fourth Proportional to 213,387.21, 320,080.82 and 63,732.62

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Solution

The fourth proportional to 213,387.21, 320,080.82 and 63,732.62 is: 95,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,387.21 : 320,080.82 = 63,732.62 : x
  2. Step 2: Convert to fraction form
    213,387.21/320,080.82 = 63,732.62/x
  3. Step 3: Cross multiply
    213,387.21x = 320,080.82 × 63,732.62
  4. Step 4: Simplify right side
    213,387.21x = 20,399,589,751.89
  5. Step 5: Solve for x
    x = 20,399,589,751.89/213,387.21
  6. Step 6: Final answer
    x = 95,598.93

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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.