Home / 156,115.43-234,197.54-50,909.93

Finding the Fourth Proportional to 156,115.43, 234,197.54 and 50,909.93

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Solution

The fourth proportional to 156,115.43, 234,197.54 and 50,909.93 is: 76,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,115.43 : 234,197.54 = 50,909.93 : x
  2. Step 2: Convert to fraction form
    156,115.43/234,197.54 = 50,909.93/x
  3. Step 3: Cross multiply
    156,115.43x = 234,197.54 × 50,909.93
  4. Step 4: Simplify right side
    156,115.43x = 11,922,980,113.02
  5. Step 5: Solve for x
    x = 11,922,980,113.02/156,115.43
  6. Step 6: Final answer
    x = 76,372.85

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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.