Home / 103,500.20-155,250.30-33,386.60

Finding the Fourth Proportional to 103,500.20, 155,250.30 and 33,386.60

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Solution

The fourth proportional to 103,500.20, 155,250.30 and 33,386.60 is: 50,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500.20 : 155,250.30 = 33,386.60 : x
  2. Step 2: Convert to fraction form
    103,500.20/155,250.30 = 33,386.60/x
  3. Step 3: Cross multiply
    103,500.20x = 155,250.30 × 33,386.60
  4. Step 4: Simplify right side
    103,500.20x = 5,183,279,665.98
  5. Step 5: Solve for x
    x = 5,183,279,665.98/103,500.20
  6. Step 6: Final answer
    x = 50,079.90

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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.