Home / 76,453.97-114,610.26-70,147.71

Finding the Fourth Proportional to 76,453.97, 114,610.26 and 70,147.71

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Solution

The fourth proportional to 76,453.97, 114,610.26 and 70,147.71 is: 105,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,453.97 : 114,610.26 = 70,147.71 : x
  2. Step 2: Convert to fraction form
    76,453.97/114,610.26 = 70,147.71/x
  3. Step 3: Cross multiply
    76,453.97x = 114,610.26 × 70,147.71
  4. Step 4: Simplify right side
    76,453.97x = 8,039,647,281.50
  5. Step 5: Solve for x
    x = 8,039,647,281.50/76,453.97
  6. Step 6: Final answer
    x = 105,156.71

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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.