Home / 90,738.46-136,107.39-23,270.43

Finding the Fourth Proportional to 90,738.46, 136,107.39 and 23,270.43

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Solution

The fourth proportional to 90,738.46, 136,107.39 and 23,270.43 is: 34,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,738.46 : 136,107.39 = 23,270.43 : x
  2. Step 2: Convert to fraction form
    90,738.46/136,107.39 = 23,270.43/x
  3. Step 3: Cross multiply
    90,738.46x = 136,107.39 × 23,270.43
  4. Step 4: Simplify right side
    90,738.46x = 3,167,277,491.48
  5. Step 5: Solve for x
    x = 3,167,277,491.48/90,738.46
  6. Step 6: Final answer
    x = 34,905.57

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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.