Home / 165,867.58-228,767.79-114,899.55

Finding the Fourth Proportional to 165,867.58, 228,767.79 and 114,899.55

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Solution

The fourth proportional to 165,867.58, 228,767.79 and 114,899.55 is: 158,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,867.58 : 228,767.79 = 114,899.55 : x
  2. Step 2: Convert to fraction form
    165,867.58/228,767.79 = 114,899.55/x
  3. Step 3: Cross multiply
    165,867.58x = 228,767.79 × 114,899.55
  4. Step 4: Simplify right side
    165,867.58x = 26,285,316,125.49
  5. Step 5: Solve for x
    x = 26,285,316,125.49/165,867.58
  6. Step 6: Final answer
    x = 158,471.69

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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.