Home / 164,619.87-246,672.21-127,272

Finding the Fourth Proportional to 164,619.87, 246,672.21 and 127,272

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Solution

The fourth proportional to 164,619.87, 246,672.21 and 127,272 is: 190,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,619.87 : 246,672.21 = 127,272 : x
  2. Step 2: Convert to fraction form
    164,619.87/246,672.21 = 127,272/x
  3. Step 3: Cross multiply
    164,619.87x = 246,672.21 × 127,272
  4. Step 4: Simplify right side
    164,619.87x = 31,394,465,511.12
  5. Step 5: Solve for x
    x = 31,394,465,511.12/164,619.87
  6. Step 6: Final answer
    x = 190,708.85

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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.