Home / 102,733.20-154,099.80-50,115.60

Finding the Fourth Proportional to 102,733.20, 154,099.80 and 50,115.60

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Solution

The fourth proportional to 102,733.20, 154,099.80 and 50,115.60 is: 75,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,733.20 : 154,099.80 = 50,115.60 : x
  2. Step 2: Convert to fraction form
    102,733.20/154,099.80 = 50,115.60/x
  3. Step 3: Cross multiply
    102,733.20x = 154,099.80 × 50,115.60
  4. Step 4: Simplify right side
    102,733.20x = 7,722,803,936.88
  5. Step 5: Solve for x
    x = 7,722,803,936.88/102,733.20
  6. Step 6: Final answer
    x = 75,173.40

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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.