Home / 115,935.89-159,983.84-64,249.52

Finding the Fourth Proportional to 115,935.89, 159,983.84 and 64,249.52

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Solution

The fourth proportional to 115,935.89, 159,983.84 and 64,249.52 is: 88,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,935.89 : 159,983.84 = 64,249.52 : x
  2. Step 2: Convert to fraction form
    115,935.89/159,983.84 = 64,249.52/x
  3. Step 3: Cross multiply
    115,935.89x = 159,983.84 × 64,249.52
  4. Step 4: Simplify right side
    115,935.89x = 10,278,884,288.46
  5. Step 5: Solve for x
    x = 10,278,884,288.46/115,935.89
  6. Step 6: Final answer
    x = 88,660.08

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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.