Home / 213,909.26-320,839.58-56,150.01

Finding the Fourth Proportional to 213,909.26, 320,839.58 and 56,150.01

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Solution

The fourth proportional to 213,909.26, 320,839.58 and 56,150.01 is: 84,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,909.26 : 320,839.58 = 56,150.01 : x
  2. Step 2: Convert to fraction form
    213,909.26/320,839.58 = 56,150.01/x
  3. Step 3: Cross multiply
    213,909.26x = 320,839.58 × 56,150.01
  4. Step 4: Simplify right side
    213,909.26x = 18,015,145,765.77
  5. Step 5: Solve for x
    x = 18,015,145,765.77/213,909.26
  6. Step 6: Final answer
    x = 84,218.64

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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.