Home / 115,269.63-159,101.24-64,997.79

Finding the Fourth Proportional to 115,269.63, 159,101.24 and 64,997.79

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Solution

The fourth proportional to 115,269.63, 159,101.24 and 64,997.79 is: 89,713.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,269.63 : 159,101.24 = 64,997.79 : x
  2. Step 2: Convert to fraction form
    115,269.63/159,101.24 = 64,997.79/x
  3. Step 3: Cross multiply
    115,269.63x = 159,101.24 × 64,997.79
  4. Step 4: Simplify right side
    115,269.63x = 10,341,228,986.26
  5. Step 5: Solve for x
    x = 10,341,228,986.26/115,269.63
  6. Step 6: Final answer
    x = 89,713.39

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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.