Home / 76,237-114,229.18-53,939.88

Finding the Fourth Proportional to 76,237, 114,229.18 and 53,939.88

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Solution

The fourth proportional to 76,237, 114,229.18 and 53,939.88 is: 80,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,237 : 114,229.18 = 53,939.88 : x
  2. Step 2: Convert to fraction form
    76,237/114,229.18 = 53,939.88/x
  3. Step 3: Cross multiply
    76,237x = 114,229.18 × 53,939.88
  4. Step 4: Simplify right side
    76,237x = 6,161,508,261.70
  5. Step 5: Solve for x
    x = 6,161,508,261.70/76,237
  6. Step 6: Final answer
    x = 80,820.44

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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.