Home / 90,253.36-135,232.08-63,910.80

Finding the Fourth Proportional to 90,253.36, 135,232.08 and 63,910.80

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Solution

The fourth proportional to 90,253.36, 135,232.08 and 63,910.80 is: 95,761.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,253.36 : 135,232.08 = 63,910.80 : x
  2. Step 2: Convert to fraction form
    90,253.36/135,232.08 = 63,910.80/x
  3. Step 3: Cross multiply
    90,253.36x = 135,232.08 × 63,910.80
  4. Step 4: Simplify right side
    90,253.36x = 8,642,790,418.46
  5. Step 5: Solve for x
    x = 8,642,790,418.46/90,253.36
  6. Step 6: Final answer
    x = 95,761.43

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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.