Home / 90,224.33-135,274.98-45,765.35

Finding the Fourth Proportional to 90,224.33, 135,274.98 and 45,765.35

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Solution

The fourth proportional to 90,224.33, 135,274.98 and 45,765.35 is: 68,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,224.33 : 135,274.98 = 45,765.35 : x
  2. Step 2: Convert to fraction form
    90,224.33/135,274.98 = 45,765.35/x
  3. Step 3: Cross multiply
    90,224.33x = 135,274.98 × 45,765.35
  4. Step 4: Simplify right side
    90,224.33x = 6,190,906,805.94
  5. Step 5: Solve for x
    x = 6,190,906,805.94/90,224.33
  6. Step 6: Final answer
    x = 68,616.82

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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.