Home / 107,375.72-148,110.33-65,964.56

Finding the Fourth Proportional to 107,375.72, 148,110.33 and 65,964.56

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Solution

The fourth proportional to 107,375.72, 148,110.33 and 65,964.56 is: 90,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,375.72 : 148,110.33 = 65,964.56 : x
  2. Step 2: Convert to fraction form
    107,375.72/148,110.33 = 65,964.56/x
  3. Step 3: Cross multiply
    107,375.72x = 148,110.33 × 65,964.56
  4. Step 4: Simplify right side
    107,375.72x = 9,770,032,009.35
  5. Step 5: Solve for x
    x = 9,770,032,009.35/107,375.72
  6. Step 6: Final answer
    x = 90,989.21

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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.