Home / 118,226.10-163,179.42-77,946.96

Finding the Fourth Proportional to 118,226.10, 163,179.42 and 77,946.96

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Solution

The fourth proportional to 118,226.10, 163,179.42 and 77,946.96 is: 107,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,226.10 : 163,179.42 = 77,946.96 : x
  2. Step 2: Convert to fraction form
    118,226.10/163,179.42 = 77,946.96/x
  3. Step 3: Cross multiply
    118,226.10x = 163,179.42 × 77,946.96
  4. Step 4: Simplify right side
    118,226.10x = 12,719,339,723.56
  5. Step 5: Solve for x
    x = 12,719,339,723.56/118,226.10
  6. Step 6: Final answer
    x = 107,584.87

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1.5x scale

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.