Home / 154,059.60-231,166.20-87,550.80

Finding the Fourth Proportional to 154,059.60, 231,166.20 and 87,550.80

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Solution

The fourth proportional to 154,059.60, 231,166.20 and 87,550.80 is: 131,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,059.60 : 231,166.20 = 87,550.80 : x
  2. Step 2: Convert to fraction form
    154,059.60/231,166.20 = 87,550.80/x
  3. Step 3: Cross multiply
    154,059.60x = 231,166.20 × 87,550.80
  4. Step 4: Simplify right side
    154,059.60x = 20,238,785,742.96
  5. Step 5: Solve for x
    x = 20,238,785,742.96/154,059.60
  6. Step 6: Final answer
    x = 131,369.84

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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.