Home / 121,570.44-167,634.92-79,050.12

Finding the Fourth Proportional to 121,570.44, 167,634.92 and 79,050.12

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Solution

The fourth proportional to 121,570.44, 167,634.92 and 79,050.12 is: 109,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,570.44 : 167,634.92 = 79,050.12 : x
  2. Step 2: Convert to fraction form
    121,570.44/167,634.92 = 79,050.12/x
  3. Step 3: Cross multiply
    121,570.44x = 167,634.92 × 79,050.12
  4. Step 4: Simplify right side
    121,570.44x = 13,251,560,542.19
  5. Step 5: Solve for x
    x = 13,251,560,542.19/121,570.44
  6. Step 6: Final answer
    x = 109,003.15

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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.