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Finding the Fourth Proportional to 114,137.97, 157,509.55 and 63,836.97

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Solution

The fourth proportional to 114,137.97, 157,509.55 and 63,836.97 is: 88,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,137.97 : 157,509.55 = 63,836.97 : x
  2. Step 2: Convert to fraction form
    114,137.97/157,509.55 = 63,836.97/x
  3. Step 3: Cross multiply
    114,137.97x = 157,509.55 × 63,836.97
  4. Step 4: Simplify right side
    114,137.97x = 10,054,932,098.88
  5. Step 5: Solve for x
    x = 10,054,932,098.88/114,137.97
  6. Step 6: Final answer
    x = 88,094.54

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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.