Home / 165,739.83-228,714.91-101,316.96

Finding the Fourth Proportional to 165,739.83, 228,714.91 and 101,316.96

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Solution

The fourth proportional to 165,739.83, 228,714.91 and 101,316.96 is: 139,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,739.83 : 228,714.91 = 101,316.96 : x
  2. Step 2: Convert to fraction form
    165,739.83/228,714.91 = 101,316.96/x
  3. Step 3: Cross multiply
    165,739.83x = 228,714.91 × 101,316.96
  4. Step 4: Simplify right side
    165,739.83x = 23,172,699,387.87
  5. Step 5: Solve for x
    x = 23,172,699,387.87/165,739.83
  6. Step 6: Final answer
    x = 139,813.71

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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.