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Finding the Fourth Proportional to 126,050.32, 188,961.04 and 62,889.76

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Solution

The fourth proportional to 126,050.32, 188,961.04 and 62,889.76 is: 94,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,050.32 : 188,961.04 = 62,889.76 : x
  2. Step 2: Convert to fraction form
    126,050.32/188,961.04 = 62,889.76/x
  3. Step 3: Cross multiply
    126,050.32x = 188,961.04 × 62,889.76
  4. Step 4: Simplify right side
    126,050.32x = 11,883,714,454.95
  5. Step 5: Solve for x
    x = 11,883,714,454.95/126,050.32
  6. Step 6: Final answer
    x = 94,277.54

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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.