Home / 76,124.54-114,198.34-55,222.31

Finding the Fourth Proportional to 76,124.54, 114,198.34 and 55,222.31

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Solution

The fourth proportional to 76,124.54, 114,198.34 and 55,222.31 is: 82,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124.54 : 114,198.34 = 55,222.31 : x
  2. Step 2: Convert to fraction form
    76,124.54/114,198.34 = 55,222.31/x
  3. Step 3: Cross multiply
    76,124.54x = 114,198.34 × 55,222.31
  4. Step 4: Simplify right side
    76,124.54x = 6,306,295,423.92
  5. Step 5: Solve for x
    x = 6,306,295,423.92/76,124.54
  6. Step 6: Final answer
    x = 82,841.82

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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.