Home / 250,195.86-345,184.61-142,688.61

Finding the Fourth Proportional to 250,195.86, 345,184.61 and 142,688.61

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Solution

The fourth proportional to 250,195.86, 345,184.61 and 142,688.61 is: 196,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,195.86 : 345,184.61 = 142,688.61 : x
  2. Step 2: Convert to fraction form
    250,195.86/345,184.61 = 142,688.61/x
  3. Step 3: Cross multiply
    250,195.86x = 345,184.61 × 142,688.61
  4. Step 4: Simplify right side
    250,195.86x = 49,253,911,480.85
  5. Step 5: Solve for x
    x = 49,253,911,480.85/250,195.86
  6. Step 6: Final answer
    x = 196,861.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.