Home / 146,790.60-220,185.90-76,660.80

Finding the Fourth Proportional to 146,790.60, 220,185.90 and 76,660.80

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Solution

The fourth proportional to 146,790.60, 220,185.90 and 76,660.80 is: 114,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790.60 : 220,185.90 = 76,660.80 : x
  2. Step 2: Convert to fraction form
    146,790.60/220,185.90 = 76,660.80/x
  3. Step 3: Cross multiply
    146,790.60x = 220,185.90 × 76,660.80
  4. Step 4: Simplify right side
    146,790.60x = 16,879,627,242.72
  5. Step 5: Solve for x
    x = 16,879,627,242.72/146,790.60
  6. Step 6: Final answer
    x = 114,991.20

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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.