Home / 189,021.11-260,855.03-108,463.37

Finding the Fourth Proportional to 189,021.11, 260,855.03 and 108,463.37

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Solution

The fourth proportional to 189,021.11, 260,855.03 and 108,463.37 is: 149,682.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,021.11 : 260,855.03 = 108,463.37 : x
  2. Step 2: Convert to fraction form
    189,021.11/260,855.03 = 108,463.37/x
  3. Step 3: Cross multiply
    189,021.11x = 260,855.03 × 108,463.37
  4. Step 4: Simplify right side
    189,021.11x = 28,293,214,602.13
  5. Step 5: Solve for x
    x = 28,293,214,602.13/189,021.11
  6. Step 6: Final answer
    x = 149,682.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.