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Finding the Fourth Proportional to 164,375.96, 226,836.56 and 91,779.96

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Solution

The fourth proportional to 164,375.96, 226,836.56 and 91,779.96 is: 126,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,375.96 : 226,836.56 = 91,779.96 : x
  2. Step 2: Convert to fraction form
    164,375.96/226,836.56 = 91,779.96/x
  3. Step 3: Cross multiply
    164,375.96x = 226,836.56 × 91,779.96
  4. Step 4: Simplify right side
    164,375.96x = 20,819,050,403.34
  5. Step 5: Solve for x
    x = 20,819,050,403.34/164,375.96
  6. Step 6: Final answer
    x = 126,655.08

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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.