Home / 128,704.50-193,115.07-62,132.22

Finding the Fourth Proportional to 128,704.50, 193,115.07 and 62,132.22

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Solution

The fourth proportional to 128,704.50, 193,115.07 and 62,132.22 is: 93,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,704.50 : 193,115.07 = 62,132.22 : x
  2. Step 2: Convert to fraction form
    128,704.50/193,115.07 = 62,132.22/x
  3. Step 3: Cross multiply
    128,704.50x = 193,115.07 × 62,132.22
  4. Step 4: Simplify right side
    128,704.50x = 11,998,668,014.56
  5. Step 5: Solve for x
    x = 11,998,668,014.56/128,704.50
  6. Step 6: Final answer
    x = 93,226.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.