Home / 109,857.14-164,785.71-104,247.48

Finding the Fourth Proportional to 109,857.14, 164,785.71 and 104,247.48

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Solution

The fourth proportional to 109,857.14, 164,785.71 and 104,247.48 is: 156,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,857.14 : 164,785.71 = 104,247.48 : x
  2. Step 2: Convert to fraction form
    109,857.14/164,785.71 = 104,247.48/x
  3. Step 3: Cross multiply
    109,857.14x = 164,785.71 × 104,247.48
  4. Step 4: Simplify right side
    109,857.14x = 17,178,496,016.39
  5. Step 5: Solve for x
    x = 17,178,496,016.39/109,857.14
  6. Step 6: Final answer
    x = 156,371.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.