Home / 132,568.44-182,947.82-72,142.36

Finding the Fourth Proportional to 132,568.44, 182,947.82 and 72,142.36

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Solution

The fourth proportional to 132,568.44, 182,947.82 and 72,142.36 is: 99,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,568.44 : 182,947.82 = 72,142.36 : x
  2. Step 2: Convert to fraction form
    132,568.44/182,947.82 = 72,142.36/x
  3. Step 3: Cross multiply
    132,568.44x = 182,947.82 × 72,142.36
  4. Step 4: Simplify right side
    132,568.44x = 13,198,287,491.66
  5. Step 5: Solve for x
    x = 13,198,287,491.66/132,568.44
  6. Step 6: Final answer
    x = 99,558.29

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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.