Home / 165,573.09-228,217.59-117,112.41

Finding the Fourth Proportional to 165,573.09, 228,217.59 and 117,112.41

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Solution

The fourth proportional to 165,573.09, 228,217.59 and 117,112.41 is: 161,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,573.09 : 228,217.59 = 117,112.41 : x
  2. Step 2: Convert to fraction form
    165,573.09/228,217.59 = 117,112.41/x
  3. Step 3: Cross multiply
    165,573.09x = 228,217.59 × 117,112.41
  4. Step 4: Simplify right side
    165,573.09x = 26,727,111,969.29
  5. Step 5: Solve for x
    x = 26,727,111,969.29/165,573.09
  6. Step 6: Final answer
    x = 161,421.83

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1.5x scale

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.