Home / 111,429.75-167,125.21-51,453.12

Finding the Fourth Proportional to 111,429.75, 167,125.21 and 51,453.12

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Solution

The fourth proportional to 111,429.75, 167,125.21 and 51,453.12 is: 77,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,429.75 : 167,125.21 = 51,453.12 : x
  2. Step 2: Convert to fraction form
    111,429.75/167,125.21 = 51,453.12/x
  3. Step 3: Cross multiply
    111,429.75x = 167,125.21 × 51,453.12
  4. Step 4: Simplify right side
    111,429.75x = 8,599,113,356.52
  5. Step 5: Solve for x
    x = 8,599,113,356.52/111,429.75
  6. Step 6: Final answer
    x = 77,170.71

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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.