Home / 121,272.57-166,144.23-116,727.23

Finding the Fourth Proportional to 121,272.57, 166,144.23 and 116,727.23

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Solution

The fourth proportional to 121,272.57, 166,144.23 and 116,727.23 is: 159,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,272.57 : 166,144.23 = 116,727.23 : x
  2. Step 2: Convert to fraction form
    121,272.57/166,144.23 = 116,727.23/x
  3. Step 3: Cross multiply
    121,272.57x = 166,144.23 × 116,727.23
  4. Step 4: Simplify right side
    121,272.57x = 19,393,555,748.38
  5. Step 5: Solve for x
    x = 19,393,555,748.38/121,272.57
  6. Step 6: Final answer
    x = 159,917.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.