Home / 90,223.33-135,273.48-45,764.35

Finding the Fourth Proportional to 90,223.33, 135,273.48 and 45,764.35

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Solution

The fourth proportional to 90,223.33, 135,273.48 and 45,764.35 is: 68,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,223.33 : 135,273.48 = 45,764.35 : x
  2. Step 2: Convert to fraction form
    90,223.33/135,273.48 = 45,764.35/x
  3. Step 3: Cross multiply
    90,223.33x = 135,273.48 × 45,764.35
  4. Step 4: Simplify right side
    90,223.33x = 6,190,702,884.44
  5. Step 5: Solve for x
    x = 6,190,702,884.44/90,223.33
  6. Step 6: Final answer
    x = 68,615.33

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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.