Home / 156,727.90-235,091.85-45,919.90

Finding the Fourth Proportional to 156,727.90, 235,091.85 and 45,919.90

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Solution

The fourth proportional to 156,727.90, 235,091.85 and 45,919.90 is: 68,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727.90 : 235,091.85 = 45,919.90 : x
  2. Step 2: Convert to fraction form
    156,727.90/235,091.85 = 45,919.90/x
  3. Step 3: Cross multiply
    156,727.90x = 235,091.85 × 45,919.90
  4. Step 4: Simplify right side
    156,727.90x = 10,795,394,242.82
  5. Step 5: Solve for x
    x = 10,795,394,242.82/156,727.90
  6. Step 6: Final answer
    x = 68,879.85

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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.