Home / 146,847.10-220,097.85-76,690.30

Finding the Fourth Proportional to 146,847.10, 220,097.85 and 76,690.30

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Solution

The fourth proportional to 146,847.10, 220,097.85 and 76,690.30 is: 114,945.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,847.10 : 220,097.85 = 76,690.30 : x
  2. Step 2: Convert to fraction form
    146,847.10/220,097.85 = 76,690.30/x
  3. Step 3: Cross multiply
    146,847.10x = 220,097.85 × 76,690.30
  4. Step 4: Simplify right side
    146,847.10x = 16,879,370,145.86
  5. Step 5: Solve for x
    x = 16,879,370,145.86/146,847.10
  6. Step 6: Final answer
    x = 114,945.21

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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.