Home / 146,745.91-220,166.15-66,812.48

Finding the Fourth Proportional to 146,745.91, 220,166.15 and 66,812.48

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Solution

The fourth proportional to 146,745.91, 220,166.15 and 66,812.48 is: 100,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,745.91 : 220,166.15 = 66,812.48 : x
  2. Step 2: Convert to fraction form
    146,745.91/220,166.15 = 66,812.48/x
  3. Step 3: Cross multiply
    146,745.91x = 220,166.15 × 66,812.48
  4. Step 4: Simplify right side
    146,745.91x = 14,709,846,660.58
  5. Step 5: Solve for x
    x = 14,709,846,660.58/146,745.91
  6. Step 6: Final answer
    x = 100,240.25

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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.