Home / 165,623.81-228,529.37-105,204.29

Finding the Fourth Proportional to 165,623.81, 228,529.37 and 105,204.29

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Solution

The fourth proportional to 165,623.81, 228,529.37 and 105,204.29 is: 145,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623.81 : 228,529.37 = 105,204.29 : x
  2. Step 2: Convert to fraction form
    165,623.81/228,529.37 = 105,204.29/x
  3. Step 3: Cross multiply
    165,623.81x = 228,529.37 × 105,204.29
  4. Step 4: Simplify right side
    165,623.81x = 24,042,269,588.98
  5. Step 5: Solve for x
    x = 24,042,269,588.98/165,623.81
  6. Step 6: Final answer
    x = 145,161.92

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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.