Home / 189,384.21-284,067.09-71,046.33

Finding the Fourth Proportional to 189,384.21, 284,067.09 and 71,046.33

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Solution

The fourth proportional to 189,384.21, 284,067.09 and 71,046.33 is: 106,566.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,384.21 : 284,067.09 = 71,046.33 : x
  2. Step 2: Convert to fraction form
    189,384.21/284,067.09 = 71,046.33/x
  3. Step 3: Cross multiply
    189,384.21x = 284,067.09 × 71,046.33
  4. Step 4: Simplify right side
    189,384.21x = 20,181,924,218.28
  5. Step 5: Solve for x
    x = 20,181,924,218.28/189,384.21
  6. Step 6: Final answer
    x = 106,566.03

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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.