Home / 118,286.44-163,234.16-72,946.28

Finding the Fourth Proportional to 118,286.44, 163,234.16 and 72,946.28

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Solution

The fourth proportional to 118,286.44, 163,234.16 and 72,946.28 is: 100,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,286.44 : 163,234.16 = 72,946.28 : x
  2. Step 2: Convert to fraction form
    118,286.44/163,234.16 = 72,946.28/x
  3. Step 3: Cross multiply
    118,286.44x = 163,234.16 × 72,946.28
  4. Step 4: Simplify right side
    118,286.44x = 11,907,324,740.92
  5. Step 5: Solve for x
    x = 11,907,324,740.92/118,286.44
  6. Step 6: Final answer
    x = 100,665.17

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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.