Home / 115,961.50-160,027.47-64,974.33

Finding the Fourth Proportional to 115,961.50, 160,027.47 and 64,974.33

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Solution

The fourth proportional to 115,961.50, 160,027.47 and 64,974.33 is: 89,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,961.50 : 160,027.47 = 64,974.33 : x
  2. Step 2: Convert to fraction form
    115,961.50/160,027.47 = 64,974.33/x
  3. Step 3: Cross multiply
    115,961.50x = 160,027.47 × 64,974.33
  4. Step 4: Simplify right side
    115,961.50x = 10,397,677,644.85
  5. Step 5: Solve for x
    x = 10,397,677,644.85/115,961.50
  6. Step 6: Final answer
    x = 89,664.91

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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.