Home / 126,180.42-174,129.16-68,819.86

Finding the Fourth Proportional to 126,180.42, 174,129.16 and 68,819.86

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Solution

The fourth proportional to 126,180.42, 174,129.16 and 68,819.86 is: 94,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,180.42 : 174,129.16 = 68,819.86 : x
  2. Step 2: Convert to fraction form
    126,180.42/174,129.16 = 68,819.86/x
  3. Step 3: Cross multiply
    126,180.42x = 174,129.16 × 68,819.86
  4. Step 4: Simplify right side
    126,180.42x = 11,983,544,413.12
  5. Step 5: Solve for x
    x = 11,983,544,413.12/126,180.42
  6. Step 6: Final answer
    x = 94,971.51

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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.