Home / 115,864.43-159,908.00-64,896.63

Finding the Fourth Proportional to 115,864.43, 159,908.00 and 64,896.63

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Solution

The fourth proportional to 115,864.43, 159,908.00 and 64,896.63 is: 89,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,864.43 : 159,908.00 = 64,896.63 : x
  2. Step 2: Convert to fraction form
    115,864.43/159,908.00 = 64,896.63/x
  3. Step 3: Cross multiply
    115,864.43x = 159,908.00 × 64,896.63
  4. Step 4: Simplify right side
    115,864.43x = 10,377,489,985.56
  5. Step 5: Solve for x
    x = 10,377,489,985.56/115,864.43
  6. Step 6: Final answer
    x = 89,565.80

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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.