Home / 240,614.45-332,121.97-138,708.07

Finding the Fourth Proportional to 240,614.45, 332,121.97 and 138,708.07

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Solution

The fourth proportional to 240,614.45, 332,121.97 and 138,708.07 is: 191,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,614.45 : 332,121.97 = 138,708.07 : x
  2. Step 2: Convert to fraction form
    240,614.45/332,121.97 = 138,708.07/x
  3. Step 3: Cross multiply
    240,614.45x = 332,121.97 × 138,708.07
  4. Step 4: Simplify right side
    240,614.45x = 46,067,997,463.30
  5. Step 5: Solve for x
    x = 46,067,997,463.30/240,614.45
  6. Step 6: Final answer
    x = 191,459.81

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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.