Home / 121,566.40-167,768.76-67,853.68

Finding the Fourth Proportional to 121,566.40, 167,768.76 and 67,853.68

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Solution

The fourth proportional to 121,566.40, 167,768.76 and 67,853.68 is: 93,642.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,566.40 : 167,768.76 = 67,853.68 : x
  2. Step 2: Convert to fraction form
    121,566.40/167,768.76 = 67,853.68/x
  3. Step 3: Cross multiply
    121,566.40x = 167,768.76 × 67,853.68
  4. Step 4: Simplify right side
    121,566.40x = 11,383,727,755.04
  5. Step 5: Solve for x
    x = 11,383,727,755.04/121,566.40
  6. Step 6: Final answer
    x = 93,642.06

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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.