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Finding the Fourth Proportional to 104,500.60, 156,750.90 and 30,628.60

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Solution

The fourth proportional to 104,500.60, 156,750.90 and 30,628.60 is: 45,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,500.60 : 156,750.90 = 30,628.60 : x
  2. Step 2: Convert to fraction form
    104,500.60/156,750.90 = 30,628.60/x
  3. Step 3: Cross multiply
    104,500.60x = 156,750.90 × 30,628.60
  4. Step 4: Simplify right side
    104,500.60x = 4,801,060,615.74
  5. Step 5: Solve for x
    x = 4,801,060,615.74/104,500.60
  6. Step 6: Final answer
    x = 45,942.90

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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.