Home / 134,380.65-185,446.68-77,018.73

Finding the Fourth Proportional to 134,380.65, 185,446.68 and 77,018.73

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Solution

The fourth proportional to 134,380.65, 185,446.68 and 77,018.73 is: 106,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,380.65 : 185,446.68 = 77,018.73 : x
  2. Step 2: Convert to fraction form
    134,380.65/185,446.68 = 77,018.73/x
  3. Step 3: Cross multiply
    134,380.65x = 185,446.68 × 77,018.73
  4. Step 4: Simplify right side
    134,380.65x = 14,282,867,776.32
  5. Step 5: Solve for x
    x = 14,282,867,776.32/134,380.65
  6. Step 6: Final answer
    x = 106,286.64

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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.