Home / 90,201.75-124,469.96-53,895.97

Finding the Fourth Proportional to 90,201.75, 124,469.96 and 53,895.97

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Solution

The fourth proportional to 90,201.75, 124,469.96 and 53,895.97 is: 74,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,201.75 : 124,469.96 = 53,895.97 : x
  2. Step 2: Convert to fraction form
    90,201.75/124,469.96 = 53,895.97/x
  3. Step 3: Cross multiply
    90,201.75x = 124,469.96 × 53,895.97
  4. Step 4: Simplify right side
    90,201.75x = 6,708,428,649.41
  5. Step 5: Solve for x
    x = 6,708,428,649.41/90,201.75
  6. Step 6: Final answer
    x = 74,371.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.