Home / 118,635.82-163,717.44-64,920.86

Finding the Fourth Proportional to 118,635.82, 163,717.44 and 64,920.86

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Solution

The fourth proportional to 118,635.82, 163,717.44 and 64,920.86 is: 89,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,635.82 : 163,717.44 = 64,920.86 : x
  2. Step 2: Convert to fraction form
    118,635.82/163,717.44 = 64,920.86/x
  3. Step 3: Cross multiply
    118,635.82x = 163,717.44 × 64,920.86
  4. Step 4: Simplify right side
    118,635.82x = 10,628,676,553.70
  5. Step 5: Solve for x
    x = 10,628,676,553.70/118,635.82
  6. Step 6: Final answer
    x = 89,590.79

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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.