Home / 100,426.40-150,640.46-25,546.61

Finding the Fourth Proportional to 100,426.40, 150,640.46 and 25,546.61

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Solution

The fourth proportional to 100,426.40, 150,640.46 and 25,546.61 is: 38,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,426.40 : 150,640.46 = 25,546.61 : x
  2. Step 2: Convert to fraction form
    100,426.40/150,640.46 = 25,546.61/x
  3. Step 3: Cross multiply
    100,426.40x = 150,640.46 × 25,546.61
  4. Step 4: Simplify right side
    100,426.40x = 3,848,353,081.84
  5. Step 5: Solve for x
    x = 3,848,353,081.84/100,426.40
  6. Step 6: Final answer
    x = 38,320.13

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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.