Home / 71,193.96-106,787.30-18,601.47

Finding the Fourth Proportional to 71,193.96, 106,787.30 and 18,601.47

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Solution

The fourth proportional to 71,193.96, 106,787.30 and 18,601.47 is: 27,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,193.96 : 106,787.30 = 18,601.47 : x
  2. Step 2: Convert to fraction form
    71,193.96/106,787.30 = 18,601.47/x
  3. Step 3: Cross multiply
    71,193.96x = 106,787.30 × 18,601.47
  4. Step 4: Simplify right side
    71,193.96x = 1,986,400,664.32
  5. Step 5: Solve for x
    x = 1,986,400,664.32/71,193.96
  6. Step 6: Final answer
    x = 27,901.25

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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.