Home / 156,247.37-234,057.58-71,890.01

Finding the Fourth Proportional to 156,247.37, 234,057.58 and 71,890.01

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Solution

The fourth proportional to 156,247.37, 234,057.58 and 71,890.01 is: 107,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,247.37 : 234,057.58 = 71,890.01 : x
  2. Step 2: Convert to fraction form
    156,247.37/234,057.58 = 71,890.01/x
  3. Step 3: Cross multiply
    156,247.37x = 234,057.58 × 71,890.01
  4. Step 4: Simplify right side
    156,247.37x = 16,826,401,766.78
  5. Step 5: Solve for x
    x = 16,826,401,766.78/156,247.37
  6. Step 6: Final answer
    x = 107,690.78

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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.