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Finding the Fourth Proportional to 157,734, 236,484.36 and 95,390.64

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Solution

The fourth proportional to 157,734, 236,484.36 and 95,390.64 is: 143,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,734 : 236,484.36 = 95,390.64 : x
  2. Step 2: Convert to fraction form
    157,734/236,484.36 = 95,390.64/x
  3. Step 3: Cross multiply
    157,734x = 236,484.36 × 95,390.64
  4. Step 4: Simplify right side
    157,734x = 22,558,394,450.39
  5. Step 5: Solve for x
    x = 22,558,394,450.39/157,734
  6. Step 6: Final answer
    x = 143,015.42

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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.