Home / 213,081.36-319,696.56-94,741.44

Finding the Fourth Proportional to 213,081.36, 319,696.56 and 94,741.44

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Solution

The fourth proportional to 213,081.36, 319,696.56 and 94,741.44 is: 142,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,081.36 : 319,696.56 = 94,741.44 : x
  2. Step 2: Convert to fraction form
    213,081.36/319,696.56 = 94,741.44/x
  3. Step 3: Cross multiply
    213,081.36x = 319,696.56 × 94,741.44
  4. Step 4: Simplify right side
    213,081.36x = 30,288,512,457.45
  5. Step 5: Solve for x
    x = 30,288,512,457.45/213,081.36
  6. Step 6: Final answer
    x = 142,145.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.