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Finding the Fourth Proportional to 167,070.22, 250,819.18 and 143,528.38

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Solution

The fourth proportional to 167,070.22, 250,819.18 and 143,528.38 is: 215,476.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,070.22 : 250,819.18 = 143,528.38 : x
  2. Step 2: Convert to fraction form
    167,070.22/250,819.18 = 143,528.38/x
  3. Step 3: Cross multiply
    167,070.22x = 250,819.18 × 143,528.38
  4. Step 4: Simplify right side
    167,070.22x = 35,999,670,578.33
  5. Step 5: Solve for x
    x = 35,999,670,578.33/167,070.22
  6. Step 6: Final answer
    x = 215,476.29

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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.