Home / 146,738.30-220,154.67-66,804.86

Finding the Fourth Proportional to 146,738.30, 220,154.67 and 66,804.86

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Solution

The fourth proportional to 146,738.30, 220,154.67 and 66,804.86 is: 100,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.30 : 220,154.67 = 66,804.86 : x
  2. Step 2: Convert to fraction form
    146,738.30/220,154.67 = 66,804.86/x
  3. Step 3: Cross multiply
    146,738.30x = 220,154.67 × 66,804.86
  4. Step 4: Simplify right side
    146,738.30x = 14,707,400,806.92
  5. Step 5: Solve for x
    x = 14,707,400,806.92/146,738.30
  6. Step 6: Final answer
    x = 100,228.78

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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.