Home / 146,845.60-220,095.60-76,688.80

Finding the Fourth Proportional to 146,845.60, 220,095.60 and 76,688.80

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Solution

The fourth proportional to 146,845.60, 220,095.60 and 76,688.80 is: 114,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,845.60 : 220,095.60 = 76,688.80 : x
  2. Step 2: Convert to fraction form
    146,845.60/220,095.60 = 76,688.80/x
  3. Step 3: Cross multiply
    146,845.60x = 220,095.60 × 76,688.80
  4. Step 4: Simplify right side
    146,845.60x = 16,878,867,449.28
  5. Step 5: Solve for x
    x = 16,878,867,449.28/146,845.60
  6. Step 6: Final answer
    x = 114,942.96

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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.