Home / 76,175.40-114,336.78-36,760.20

Finding the Fourth Proportional to 76,175.40, 114,336.78 and 36,760.20

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Solution

The fourth proportional to 76,175.40, 114,336.78 and 36,760.20 is: 55,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,175.40 : 114,336.78 = 36,760.20 : x
  2. Step 2: Convert to fraction form
    76,175.40/114,336.78 = 36,760.20/x
  3. Step 3: Cross multiply
    76,175.40x = 114,336.78 × 36,760.20
  4. Step 4: Simplify right side
    76,175.40x = 4,203,042,900.16
  5. Step 5: Solve for x
    x = 4,203,042,900.16/76,175.40
  6. Step 6: Final answer
    x = 55,175.86

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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.