Home / 121,369.25-167,420.97-75,968.42

Finding the Fourth Proportional to 121,369.25, 167,420.97 and 75,968.42

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Solution

The fourth proportional to 121,369.25, 167,420.97 and 75,968.42 is: 104,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,369.25 : 167,420.97 = 75,968.42 : x
  2. Step 2: Convert to fraction form
    121,369.25/167,420.97 = 75,968.42/x
  3. Step 3: Cross multiply
    121,369.25x = 167,420.97 × 75,968.42
  4. Step 4: Simplify right side
    121,369.25x = 12,718,705,728.66
  5. Step 5: Solve for x
    x = 12,718,705,728.66/121,369.25
  6. Step 6: Final answer
    x = 104,793.48

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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.