Home / 103,731.20-155,596.80-33,617.60

Finding the Fourth Proportional to 103,731.20, 155,596.80 and 33,617.60

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Solution

The fourth proportional to 103,731.20, 155,596.80 and 33,617.60 is: 50,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,731.20 : 155,596.80 = 33,617.60 : x
  2. Step 2: Convert to fraction form
    103,731.20/155,596.80 = 33,617.60/x
  3. Step 3: Cross multiply
    103,731.20x = 155,596.80 × 33,617.60
  4. Step 4: Simplify right side
    103,731.20x = 5,230,790,983.68
  5. Step 5: Solve for x
    x = 5,230,790,983.68/103,731.20
  6. Step 6: Final answer
    x = 50,426.40

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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.