Home / 76,124.30-114,198-55,222.07

Finding the Fourth Proportional to 76,124.30, 114,198 and 55,222.07

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Solution

The fourth proportional to 76,124.30, 114,198 and 55,222.07 is: 82,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124.30 : 114,198 = 55,222.07 : x
  2. Step 2: Convert to fraction form
    76,124.30/114,198 = 55,222.07/x
  3. Step 3: Cross multiply
    76,124.30x = 114,198 × 55,222.07
  4. Step 4: Simplify right side
    76,124.30x = 6,306,250,235.36
  5. Step 5: Solve for x
    x = 6,306,250,235.36/76,124.30
  6. Step 6: Final answer
    x = 82,841.48

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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.