Home / 121,083.14-167,095.56-67,370.42

Finding the Fourth Proportional to 121,083.14, 167,095.56 and 67,370.42

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Solution

The fourth proportional to 121,083.14, 167,095.56 and 67,370.42 is: 92,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,083.14 : 167,095.56 = 67,370.42 : x
  2. Step 2: Convert to fraction form
    121,083.14/167,095.56 = 67,370.42/x
  3. Step 3: Cross multiply
    121,083.14x = 167,095.56 × 67,370.42
  4. Step 4: Simplify right side
    121,083.14x = 11,257,297,221.86
  5. Step 5: Solve for x
    x = 11,257,297,221.86/121,083.14
  6. Step 6: Final answer
    x = 92,971.64

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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.