Home / 115,022.11-158,727.41-64,034.84

Finding the Fourth Proportional to 115,022.11, 158,727.41 and 64,034.84

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Solution

The fourth proportional to 115,022.11, 158,727.41 and 64,034.84 is: 88,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,022.11 : 158,727.41 = 64,034.84 : x
  2. Step 2: Convert to fraction form
    115,022.11/158,727.41 = 64,034.84/x
  3. Step 3: Cross multiply
    115,022.11x = 158,727.41 × 64,034.84
  4. Step 4: Simplify right side
    115,022.11x = 10,164,084,859.87
  5. Step 5: Solve for x
    x = 10,164,084,859.87/115,022.11
  6. Step 6: Final answer
    x = 88,366.36

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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.