Home / 250,267.95-345,375.35-142,835.82

Finding the Fourth Proportional to 250,267.95, 345,375.35 and 142,835.82

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Solution

The fourth proportional to 250,267.95, 345,375.35 and 142,835.82 is: 197,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,267.95 : 345,375.35 = 142,835.82 : x
  2. Step 2: Convert to fraction form
    250,267.95/345,375.35 = 142,835.82/x
  3. Step 3: Cross multiply
    250,267.95x = 345,375.35 × 142,835.82
  4. Step 4: Simplify right side
    250,267.95x = 49,331,970,610.86
  5. Step 5: Solve for x
    x = 49,331,970,610.86/250,267.95
  6. Step 6: Final answer
    x = 197,116.61

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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.