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Finding the Fourth Proportional to 117.56, 175.59 and 101.36

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Solution

The fourth proportional to 117.56, 175.59 and 101.36 is: 151.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.56 : 175.59 = 101.36 : x
  2. Step 2: Convert to fraction form
    117.56/175.59 = 101.36/x
  3. Step 3: Cross multiply
    117.56x = 175.59 × 101.36
  4. Step 4: Simplify right side
    117.56x = 17,796.92
  5. Step 5: Solve for x
    x = 17,796.92/117.56
  6. Step 6: Final answer
    x = 151.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.