Home / 215,940.19-297,995.49-119,144.94

Finding the Fourth Proportional to 215,940.19, 297,995.49 and 119,144.94

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Solution

The fourth proportional to 215,940.19, 297,995.49 and 119,144.94 is: 164,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,940.19 : 297,995.49 = 119,144.94 : x
  2. Step 2: Convert to fraction form
    215,940.19/297,995.49 = 119,144.94/x
  3. Step 3: Cross multiply
    215,940.19x = 297,995.49 × 119,144.94
  4. Step 4: Simplify right side
    215,940.19x = 35,504,655,523.41
  5. Step 5: Solve for x
    x = 35,504,655,523.41/215,940.19
  6. Step 6: Final answer
    x = 164,418.93

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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.