Home / 117,664.06-162,376.40-63,949.20

Finding the Fourth Proportional to 117,664.06, 162,376.40 and 63,949.20

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Solution

The fourth proportional to 117,664.06, 162,376.40 and 63,949.20 is: 88,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,664.06 : 162,376.40 = 63,949.20 : x
  2. Step 2: Convert to fraction form
    117,664.06/162,376.40 = 63,949.20/x
  3. Step 3: Cross multiply
    117,664.06x = 162,376.40 × 63,949.20
  4. Step 4: Simplify right side
    117,664.06x = 10,383,840,878.88
  5. Step 5: Solve for x
    x = 10,383,840,878.88/117,664.06
  6. Step 6: Final answer
    x = 88,249.89

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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.