Home / 165,831.69-228,776.81-108,371.29

Finding the Fourth Proportional to 165,831.69, 228,776.81 and 108,371.29

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Solution

The fourth proportional to 165,831.69, 228,776.81 and 108,371.29 is: 149,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,831.69 : 228,776.81 = 108,371.29 : x
  2. Step 2: Convert to fraction form
    165,831.69/228,776.81 = 108,371.29/x
  3. Step 3: Cross multiply
    165,831.69x = 228,776.81 × 108,371.29
  4. Step 4: Simplify right side
    165,831.69x = 24,792,836,907.99
  5. Step 5: Solve for x
    x = 24,792,836,907.99/165,831.69
  6. Step 6: Final answer
    x = 149,506.03

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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.