Home / 106,020.09-146,249.01-67,186.80

Finding the Fourth Proportional to 106,020.09, 146,249.01 and 67,186.80

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Solution

The fourth proportional to 106,020.09, 146,249.01 and 67,186.80 is: 92,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,020.09 : 146,249.01 = 67,186.80 : x
  2. Step 2: Convert to fraction form
    106,020.09/146,249.01 = 67,186.80/x
  3. Step 3: Cross multiply
    106,020.09x = 146,249.01 × 67,186.80
  4. Step 4: Simplify right side
    106,020.09x = 9,826,002,985.07
  5. Step 5: Solve for x
    x = 9,826,002,985.07/106,020.09
  6. Step 6: Final answer
    x = 92,680.58

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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.