Home / 266,559.40-399,859.74-89,067.03

Finding the Fourth Proportional to 266,559.40, 399,859.74 and 89,067.03

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Solution

The fourth proportional to 266,559.40, 399,859.74 and 89,067.03 is: 133,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,559.40 : 399,859.74 = 89,067.03 : x
  2. Step 2: Convert to fraction form
    266,559.40/399,859.74 = 89,067.03/x
  3. Step 3: Cross multiply
    266,559.40x = 399,859.74 × 89,067.03
  4. Step 4: Simplify right side
    266,559.40x = 35,614,319,458.37
  5. Step 5: Solve for x
    x = 35,614,319,458.37/266,559.40
  6. Step 6: Final answer
    x = 133,607.44

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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.