Home / 121,224.30-167,278.20-70,238.97

Finding the Fourth Proportional to 121,224.30, 167,278.20 and 70,238.97

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Solution

The fourth proportional to 121,224.30, 167,278.20 and 70,238.97 is: 96,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,224.30 : 167,278.20 = 70,238.97 : x
  2. Step 2: Convert to fraction form
    121,224.30/167,278.20 = 70,238.97/x
  3. Step 3: Cross multiply
    121,224.30x = 167,278.20 × 70,238.97
  4. Step 4: Simplify right side
    121,224.30x = 11,749,448,471.45
  5. Step 5: Solve for x
    x = 11,749,448,471.45/121,224.30
  6. Step 6: Final answer
    x = 96,923.21

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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.