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Finding the Fourth Proportional to 173,185.43, 259,583.87 and 113,329.06

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Solution

The fourth proportional to 173,185.43, 259,583.87 and 113,329.06 is: 169,866.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,185.43 : 259,583.87 = 113,329.06 : x
  2. Step 2: Convert to fraction form
    173,185.43/259,583.87 = 113,329.06/x
  3. Step 3: Cross multiply
    173,185.43x = 259,583.87 × 113,329.06
  4. Step 4: Simplify right side
    173,185.43x = 29,418,395,612.63
  5. Step 5: Solve for x
    x = 29,418,395,612.63/173,185.43
  6. Step 6: Final answer
    x = 169,866.46

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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.