Home / 115,629.90-159,595.92-75,273.37

Finding the Fourth Proportional to 115,629.90, 159,595.92 and 75,273.37

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Solution

The fourth proportional to 115,629.90, 159,595.92 and 75,273.37 is: 103,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,629.90 : 159,595.92 = 75,273.37 : x
  2. Step 2: Convert to fraction form
    115,629.90/159,595.92 = 75,273.37/x
  3. Step 3: Cross multiply
    115,629.90x = 159,595.92 × 75,273.37
  4. Step 4: Simplify right side
    115,629.90x = 12,013,322,337.66
  5. Step 5: Solve for x
    x = 12,013,322,337.66/115,629.90
  6. Step 6: Final answer
    x = 103,894.60

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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.