Home / 127,104.24-175,411.14-76,819.44

Finding the Fourth Proportional to 127,104.24, 175,411.14 and 76,819.44

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Solution

The fourth proportional to 127,104.24, 175,411.14 and 76,819.44 is: 106,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.24 : 175,411.14 = 76,819.44 : x
  2. Step 2: Convert to fraction form
    127,104.24/175,411.14 = 76,819.44/x
  3. Step 3: Cross multiply
    127,104.24x = 175,411.14 × 76,819.44
  4. Step 4: Simplify right side
    127,104.24x = 13,474,985,544.56
  5. Step 5: Solve for x
    x = 13,474,985,544.56/127,104.24
  6. Step 6: Final answer
    x = 106,015.23

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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.