Home / 121,218.44-167,277.66-67,502.30

Finding the Fourth Proportional to 121,218.44, 167,277.66 and 67,502.30

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Solution

The fourth proportional to 121,218.44, 167,277.66 and 67,502.30 is: 93,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,218.44 : 167,277.66 = 67,502.30 : x
  2. Step 2: Convert to fraction form
    121,218.44/167,277.66 = 67,502.30/x
  3. Step 3: Cross multiply
    121,218.44x = 167,277.66 × 67,502.30
  4. Step 4: Simplify right side
    121,218.44x = 11,291,626,788.62
  5. Step 5: Solve for x
    x = 11,291,626,788.62/121,218.44
  6. Step 6: Final answer
    x = 93,151.07

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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.