Home / 103,630.20-155,406.24-33,490.68

Finding the Fourth Proportional to 103,630.20, 155,406.24 and 33,490.68

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Solution

The fourth proportional to 103,630.20, 155,406.24 and 33,490.68 is: 50,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.20 : 155,406.24 = 33,490.68 : x
  2. Step 2: Convert to fraction form
    103,630.20/155,406.24 = 33,490.68/x
  3. Step 3: Cross multiply
    103,630.20x = 155,406.24 × 33,490.68
  4. Step 4: Simplify right side
    103,630.20x = 5,204,660,653.84
  5. Step 5: Solve for x
    x = 5,204,660,653.84/103,630.20
  6. Step 6: Final answer
    x = 50,223.40

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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.