Home / 367,736.80-551,475.60-131,087.20

Finding the Fourth Proportional to 367,736.80, 551,475.60 and 131,087.20

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Solution

The fourth proportional to 367,736.80, 551,475.60 and 131,087.20 is: 196,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,736.80 : 551,475.60 = 131,087.20 : x
  2. Step 2: Convert to fraction form
    367,736.80/551,475.60 = 131,087.20/x
  3. Step 3: Cross multiply
    367,736.80x = 551,475.60 × 131,087.20
  4. Step 4: Simplify right side
    367,736.80x = 72,291,392,272.32
  5. Step 5: Solve for x
    x = 72,291,392,272.32/367,736.80
  6. Step 6: Final answer
    x = 196,584.60

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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.