Home / 165,442.12-228,387.54-105,860.68

Finding the Fourth Proportional to 165,442.12, 228,387.54 and 105,860.68

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Solution

The fourth proportional to 165,442.12, 228,387.54 and 105,860.68 is: 146,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,442.12 : 228,387.54 = 105,860.68 : x
  2. Step 2: Convert to fraction form
    165,442.12/228,387.54 = 105,860.68/x
  3. Step 3: Cross multiply
    165,442.12x = 228,387.54 × 105,860.68
  4. Step 4: Simplify right side
    165,442.12x = 24,177,260,287.93
  5. Step 5: Solve for x
    x = 24,177,260,287.93/165,442.12
  6. Step 6: Final answer
    x = 146,137.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.