Home / 165,505.29-228,390.57-93,883.77

Finding the Fourth Proportional to 165,505.29, 228,390.57 and 93,883.77

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Solution

The fourth proportional to 165,505.29, 228,390.57 and 93,883.77 is: 129,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,505.29 : 228,390.57 = 93,883.77 : x
  2. Step 2: Convert to fraction form
    165,505.29/228,390.57 = 93,883.77/x
  3. Step 3: Cross multiply
    165,505.29x = 228,390.57 × 93,883.77
  4. Step 4: Simplify right side
    165,505.29x = 21,442,167,744.05
  5. Step 5: Solve for x
    x = 21,442,167,744.05/165,505.29
  6. Step 6: Final answer
    x = 129,555.79

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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.