Home / 165,837.82-228,893.10-105,396.70

Finding the Fourth Proportional to 165,837.82, 228,893.10 and 105,396.70

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Solution

The fourth proportional to 165,837.82, 228,893.10 and 105,396.70 is: 145,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,837.82 : 228,893.10 = 105,396.70 : x
  2. Step 2: Convert to fraction form
    165,837.82/228,893.10 = 105,396.70/x
  3. Step 3: Cross multiply
    165,837.82x = 228,893.10 × 105,396.70
  4. Step 4: Simplify right side
    165,837.82x = 24,124,577,392.77
  5. Step 5: Solve for x
    x = 24,124,577,392.77/165,837.82
  6. Step 6: Final answer
    x = 145,470.90

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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.