Home / 107,515.44-148,375.11-59,121.05

Finding the Fourth Proportional to 107,515.44, 148,375.11 and 59,121.05

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Solution

The fourth proportional to 107,515.44, 148,375.11 and 59,121.05 is: 81,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.44 : 148,375.11 = 59,121.05 : x
  2. Step 2: Convert to fraction form
    107,515.44/148,375.11 = 59,121.05/x
  3. Step 3: Cross multiply
    107,515.44x = 148,375.11 × 59,121.05
  4. Step 4: Simplify right side
    107,515.44x = 8,772,092,297.07
  5. Step 5: Solve for x
    x = 8,772,092,297.07/107,515.44
  6. Step 6: Final answer
    x = 81,589.14

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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.