Home / 76,201.38-114,302.75-20,797.38

Finding the Fourth Proportional to 76,201.38, 114,302.75 and 20,797.38

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Solution

The fourth proportional to 76,201.38, 114,302.75 and 20,797.38 is: 31,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,201.38 : 114,302.75 = 20,797.38 : x
  2. Step 2: Convert to fraction form
    76,201.38/114,302.75 = 20,797.38/x
  3. Step 3: Cross multiply
    76,201.38x = 114,302.75 × 20,797.38
  4. Step 4: Simplify right side
    76,201.38x = 2,377,197,622.81
  5. Step 5: Solve for x
    x = 2,377,197,622.81/76,201.38
  6. Step 6: Final answer
    x = 31,196.25

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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.