Home / 90,170.48-135,144.95-50,644.50

Finding the Fourth Proportional to 90,170.48, 135,144.95 and 50,644.50

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Solution

The fourth proportional to 90,170.48, 135,144.95 and 50,644.50 is: 75,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170.48 : 135,144.95 = 50,644.50 : x
  2. Step 2: Convert to fraction form
    90,170.48/135,144.95 = 50,644.50/x
  3. Step 3: Cross multiply
    90,170.48x = 135,144.95 × 50,644.50
  4. Step 4: Simplify right side
    90,170.48x = 6,844,348,167.05
  5. Step 5: Solve for x
    x = 6,844,348,167.05/90,170.48
  6. Step 6: Final answer
    x = 75,904.54

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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.