Home / 169,942.52-254,913.75-80,926.13

Finding the Fourth Proportional to 169,942.52, 254,913.75 and 80,926.13

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Solution

The fourth proportional to 169,942.52, 254,913.75 and 80,926.13 is: 121,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,942.52 : 254,913.75 = 80,926.13 : x
  2. Step 2: Convert to fraction form
    169,942.52/254,913.75 = 80,926.13/x
  3. Step 3: Cross multiply
    169,942.52x = 254,913.75 × 80,926.13
  4. Step 4: Simplify right side
    169,942.52x = 20,629,181,996.72
  5. Step 5: Solve for x
    x = 20,629,181,996.72/169,942.52
  6. Step 6: Final answer
    x = 121,389.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.