Home / 130,195.58-179,689.05-82,453.37

Finding the Fourth Proportional to 130,195.58, 179,689.05 and 82,453.37

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Solution

The fourth proportional to 130,195.58, 179,689.05 and 82,453.37 is: 113,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,195.58 : 179,689.05 = 82,453.37 : x
  2. Step 2: Convert to fraction form
    130,195.58/179,689.05 = 82,453.37/x
  3. Step 3: Cross multiply
    130,195.58x = 179,689.05 × 82,453.37
  4. Step 4: Simplify right side
    130,195.58x = 14,815,966,826.15
  5. Step 5: Solve for x
    x = 14,815,966,826.15/130,195.58
  6. Step 6: Final answer
    x = 113,797.78

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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.