Home / 113,872.33-157,185.75-68,552.42

Finding the Fourth Proportional to 113,872.33, 157,185.75 and 68,552.42

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Solution

The fourth proportional to 113,872.33, 157,185.75 and 68,552.42 is: 94,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,872.33 : 157,185.75 = 68,552.42 : x
  2. Step 2: Convert to fraction form
    113,872.33/157,185.75 = 68,552.42/x
  3. Step 3: Cross multiply
    113,872.33x = 157,185.75 × 68,552.42
  4. Step 4: Simplify right side
    113,872.33x = 10,775,463,552.02
  5. Step 5: Solve for x
    x = 10,775,463,552.02/113,872.33
  6. Step 6: Final answer
    x = 94,627.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.