Home / 189,956.42-262,154.10-108,286.62

Finding the Fourth Proportional to 189,956.42, 262,154.10 and 108,286.62

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Solution

The fourth proportional to 189,956.42, 262,154.10 and 108,286.62 is: 149,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,956.42 : 262,154.10 = 108,286.62 : x
  2. Step 2: Convert to fraction form
    189,956.42/262,154.10 = 108,286.62/x
  3. Step 3: Cross multiply
    189,956.42x = 262,154.10 × 108,286.62
  4. Step 4: Simplify right side
    189,956.42x = 28,387,780,866.71
  5. Step 5: Solve for x
    x = 28,387,780,866.71/189,956.42
  6. Step 6: Final answer
    x = 149,443.65

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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.