Home / 156,819.15-235,200.94-71,410.42

Finding the Fourth Proportional to 156,819.15, 235,200.94 and 71,410.42

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Solution

The fourth proportional to 156,819.15, 235,200.94 and 71,410.42 is: 107,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,819.15 : 235,200.94 = 71,410.42 : x
  2. Step 2: Convert to fraction form
    156,819.15/235,200.94 = 71,410.42/x
  3. Step 3: Cross multiply
    156,819.15x = 235,200.94 × 71,410.42
  4. Step 4: Simplify right side
    156,819.15x = 16,795,797,909.79
  5. Step 5: Solve for x
    x = 16,795,797,909.79/156,819.15
  6. Step 6: Final answer
    x = 107,102.98

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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.