Home / 121,452.25-167,618.73-71,151.25

Finding the Fourth Proportional to 121,452.25, 167,618.73 and 71,151.25

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Solution

The fourth proportional to 121,452.25, 167,618.73 and 71,151.25 is: 98,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,452.25 : 167,618.73 = 71,151.25 : x
  2. Step 2: Convert to fraction form
    121,452.25/167,618.73 = 71,151.25/x
  3. Step 3: Cross multiply
    121,452.25x = 167,618.73 × 71,151.25
  4. Step 4: Simplify right side
    121,452.25x = 11,926,282,162.91
  5. Step 5: Solve for x
    x = 11,926,282,162.91/121,452.25
  6. Step 6: Final answer
    x = 98,197.29

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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.