Home / 115,941.92-159,997.90-64,954.48

Finding the Fourth Proportional to 115,941.92, 159,997.90 and 64,954.48

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Solution

The fourth proportional to 115,941.92, 159,997.90 and 64,954.48 is: 89,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941.92 : 159,997.90 = 64,954.48 : x
  2. Step 2: Convert to fraction form
    115,941.92/159,997.90 = 64,954.48/x
  3. Step 3: Cross multiply
    115,941.92x = 159,997.90 × 64,954.48
  4. Step 4: Simplify right side
    115,941.92x = 10,392,580,430.96
  5. Step 5: Solve for x
    x = 10,392,580,430.96/115,941.92
  6. Step 6: Final answer
    x = 89,636.09

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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.