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Finding the Fourth Proportional to 105,334.56, 157,968.97 and 35,197.47

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Solution

The fourth proportional to 105,334.56, 157,968.97 and 35,197.47 is: 52,785.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,334.56 : 157,968.97 = 35,197.47 : x
  2. Step 2: Convert to fraction form
    105,334.56/157,968.97 = 35,197.47/x
  3. Step 3: Cross multiply
    105,334.56x = 157,968.97 × 35,197.47
  4. Step 4: Simplify right side
    105,334.56x = 5,560,107,994.51
  5. Step 5: Solve for x
    x = 5,560,107,994.51/105,334.56
  6. Step 6: Final answer
    x = 52,785.22

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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.