Home / 121,593.26-167,716.76-105,650.30

Finding the Fourth Proportional to 121,593.26, 167,716.76 and 105,650.30

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Solution

The fourth proportional to 121,593.26, 167,716.76 and 105,650.30 is: 145,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,593.26 : 167,716.76 = 105,650.30 : x
  2. Step 2: Convert to fraction form
    121,593.26/167,716.76 = 105,650.30/x
  3. Step 3: Cross multiply
    121,593.26x = 167,716.76 × 105,650.30
  4. Step 4: Simplify right side
    121,593.26x = 17,719,326,009.03
  5. Step 5: Solve for x
    x = 17,719,326,009.03/121,593.26
  6. Step 6: Final answer
    x = 145,726.22

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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.