Home / 118,668.74-163,761.62-67,680.14

Finding the Fourth Proportional to 118,668.74, 163,761.62 and 67,680.14

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Solution

The fourth proportional to 118,668.74, 163,761.62 and 67,680.14 is: 93,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,668.74 : 163,761.62 = 67,680.14 : x
  2. Step 2: Convert to fraction form
    118,668.74/163,761.62 = 67,680.14/x
  3. Step 3: Cross multiply
    118,668.74x = 163,761.62 × 67,680.14
  4. Step 4: Simplify right side
    118,668.74x = 11,083,408,211.02
  5. Step 5: Solve for x
    x = 11,083,408,211.02/118,668.74
  6. Step 6: Final answer
    x = 93,397.88

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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.