Home / 134,773.31-186,046.96-87,049.94

Finding the Fourth Proportional to 134,773.31, 186,046.96 and 87,049.94

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Solution

The fourth proportional to 134,773.31, 186,046.96 and 87,049.94 is: 120,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,773.31 : 186,046.96 = 87,049.94 : x
  2. Step 2: Convert to fraction form
    134,773.31/186,046.96 = 87,049.94/x
  3. Step 3: Cross multiply
    134,773.31x = 186,046.96 × 87,049.94
  4. Step 4: Simplify right side
    134,773.31x = 16,195,376,705.18
  5. Step 5: Solve for x
    x = 16,195,376,705.18/134,773.31
  6. Step 6: Final answer
    x = 120,167.54

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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.