Home / 165,453.12-228,402.72-105,871.68

Finding the Fourth Proportional to 165,453.12, 228,402.72 and 105,871.68

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Solution

The fourth proportional to 165,453.12, 228,402.72 and 105,871.68 is: 146,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,453.12 : 228,402.72 = 105,871.68 : x
  2. Step 2: Convert to fraction form
    165,453.12/228,402.72 = 105,871.68/x
  3. Step 3: Cross multiply
    165,453.12x = 228,402.72 × 105,871.68
  4. Step 4: Simplify right side
    165,453.12x = 24,181,379,682.97
  5. Step 5: Solve for x
    x = 24,181,379,682.97/165,453.12
  6. Step 6: Final answer
    x = 146,152.46

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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.