Home / 103,336.40-155,004.60-33,222.80

Finding the Fourth Proportional to 103,336.40, 155,004.60 and 33,222.80

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Solution

The fourth proportional to 103,336.40, 155,004.60 and 33,222.80 is: 49,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,336.40 : 155,004.60 = 33,222.80 : x
  2. Step 2: Convert to fraction form
    103,336.40/155,004.60 = 33,222.80/x
  3. Step 3: Cross multiply
    103,336.40x = 155,004.60 × 33,222.80
  4. Step 4: Simplify right side
    103,336.40x = 5,149,686,824.88
  5. Step 5: Solve for x
    x = 5,149,686,824.88/103,336.40
  6. Step 6: Final answer
    x = 49,834.20

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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.