Home / 115,660.03-159,603.43-64,676.96

Finding the Fourth Proportional to 115,660.03, 159,603.43 and 64,676.96

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Solution

The fourth proportional to 115,660.03, 159,603.43 and 64,676.96 is: 89,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,660.03 : 159,603.43 = 64,676.96 : x
  2. Step 2: Convert to fraction form
    115,660.03/159,603.43 = 64,676.96/x
  3. Step 3: Cross multiply
    115,660.03x = 159,603.43 × 64,676.96
  4. Step 4: Simplify right side
    115,660.03x = 10,322,664,657.97
  5. Step 5: Solve for x
    x = 10,322,664,657.97/115,660.03
  6. Step 6: Final answer
    x = 89,250.06

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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.