Home / 146,785.43-220,176.97-87,226.67

Finding the Fourth Proportional to 146,785.43, 220,176.97 and 87,226.67

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Solution

The fourth proportional to 146,785.43, 220,176.97 and 87,226.67 is: 130,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,785.43 : 220,176.97 = 87,226.67 : x
  2. Step 2: Convert to fraction form
    146,785.43/220,176.97 = 87,226.67/x
  3. Step 3: Cross multiply
    146,785.43x = 220,176.97 × 87,226.67
  4. Step 4: Simplify right side
    146,785.43x = 19,205,302,584.84
  5. Step 5: Solve for x
    x = 19,205,302,584.84/146,785.43
  6. Step 6: Final answer
    x = 130,839.30

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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.