Home / 103,630.20-155,445.30-33,559.80

Finding the Fourth Proportional to 103,630.20, 155,445.30 and 33,559.80

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Solution

The fourth proportional to 103,630.20, 155,445.30 and 33,559.80 is: 50,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.20 : 155,445.30 = 33,559.80 : x
  2. Step 2: Convert to fraction form
    103,630.20/155,445.30 = 33,559.80/x
  3. Step 3: Cross multiply
    103,630.20x = 155,445.30 × 33,559.80
  4. Step 4: Simplify right side
    103,630.20x = 5,216,713,178.94
  5. Step 5: Solve for x
    x = 5,216,713,178.94/103,630.20
  6. Step 6: Final answer
    x = 50,339.70

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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.