Home / 121,321.09-167,403.46-67,604.73

Finding the Fourth Proportional to 121,321.09, 167,403.46 and 67,604.73

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Solution

The fourth proportional to 121,321.09, 167,403.46 and 67,604.73 is: 93,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,321.09 : 167,403.46 = 67,604.73 : x
  2. Step 2: Convert to fraction form
    121,321.09/167,403.46 = 67,604.73/x
  3. Step 3: Cross multiply
    121,321.09x = 167,403.46 × 67,604.73
  4. Step 4: Simplify right side
    121,321.09x = 11,317,265,044.35
  5. Step 5: Solve for x
    x = 11,317,265,044.35/121,321.09
  6. Step 6: Final answer
    x = 93,283.57

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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.