Home / 118,979.55-164,146.50-75,960.65

Finding the Fourth Proportional to 118,979.55, 164,146.50 and 75,960.65

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Solution

The fourth proportional to 118,979.55, 164,146.50 and 75,960.65 is: 104,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,979.55 : 164,146.50 = 75,960.65 : x
  2. Step 2: Convert to fraction form
    118,979.55/164,146.50 = 75,960.65/x
  3. Step 3: Cross multiply
    118,979.55x = 164,146.50 × 75,960.65
  4. Step 4: Simplify right side
    118,979.55x = 12,468,675,245.59
  5. Step 5: Solve for x
    x = 12,468,675,245.59/118,979.55
  6. Step 6: Final answer
    x = 104,796.79

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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.