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Finding the Fourth Proportional to 101,130, 151,695 and 27,258

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Solution

The fourth proportional to 101,130, 151,695 and 27,258 is: 40,887

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,130 : 151,695 = 27,258 : x
  2. Step 2: Convert to fraction form
    101,130/151,695 = 27,258/x
  3. Step 3: Cross multiply
    101,130x = 151,695 × 27,258
  4. Step 4: Simplify right side
    101,130x = 4,134,902,310
  5. Step 5: Solve for x
    x = 4,134,902,310/101,130
  6. Step 6: Final answer
    x = 40,887

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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.