Home / 121,389.22-167,517.23-67,673.16

Finding the Fourth Proportional to 121,389.22, 167,517.23 and 67,673.16

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Solution

The fourth proportional to 121,389.22, 167,517.23 and 67,673.16 is: 93,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389.22 : 167,517.23 = 67,673.16 : x
  2. Step 2: Convert to fraction form
    121,389.22/167,517.23 = 67,673.16/x
  3. Step 3: Cross multiply
    121,389.22x = 167,517.23 × 67,673.16
  4. Step 4: Simplify right side
    121,389.22x = 11,336,420,308.55
  5. Step 5: Solve for x
    x = 11,336,420,308.55/121,389.22
  6. Step 6: Final answer
    x = 93,389.02

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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.