Home / 90,738.71-136,107.60-23,270.44

Finding the Fourth Proportional to 90,738.71, 136,107.60 and 23,270.44

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Solution

The fourth proportional to 90,738.71, 136,107.60 and 23,270.44 is: 34,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,738.71 : 136,107.60 = 23,270.44 : x
  2. Step 2: Convert to fraction form
    90,738.71/136,107.60 = 23,270.44/x
  3. Step 3: Cross multiply
    90,738.71x = 136,107.60 × 23,270.44
  4. Step 4: Simplify right side
    90,738.71x = 3,167,283,058.81
  5. Step 5: Solve for x
    x = 3,167,283,058.81/90,738.71
  6. Step 6: Final answer
    x = 34,905.53

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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.