Home / 190,042.82-262,266.09-122,974.82

Finding the Fourth Proportional to 190,042.82, 262,266.09 and 122,974.82

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Solution

The fourth proportional to 190,042.82, 262,266.09 and 122,974.82 is: 169,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,042.82 : 262,266.09 = 122,974.82 : x
  2. Step 2: Convert to fraction form
    190,042.82/262,266.09 = 122,974.82/x
  3. Step 3: Cross multiply
    190,042.82x = 262,266.09 × 122,974.82
  4. Step 4: Simplify right side
    190,042.82x = 32,252,125,209.85
  5. Step 5: Solve for x
    x = 32,252,125,209.85/190,042.82
  6. Step 6: Final answer
    x = 169,709.78

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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.