Home / 165,720.59-228,687.96-101,297.69

Finding the Fourth Proportional to 165,720.59, 228,687.96 and 101,297.69

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Solution

The fourth proportional to 165,720.59, 228,687.96 and 101,297.69 is: 139,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,720.59 : 228,687.96 = 101,297.69 : x
  2. Step 2: Convert to fraction form
    165,720.59/228,687.96 = 101,297.69/x
  3. Step 3: Cross multiply
    165,720.59x = 228,687.96 × 101,297.69
  4. Step 4: Simplify right side
    165,720.59x = 23,165,562,332.06
  5. Step 5: Solve for x
    x = 23,165,562,332.06/165,720.59
  6. Step 6: Final answer
    x = 139,786.87

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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.