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Finding the Fourth Proportional to 101,270.28, 151,998 and 51,384.72

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Solution

The fourth proportional to 101,270.28, 151,998 and 51,384.72 is: 77,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,270.28 : 151,998 = 51,384.72 : x
  2. Step 2: Convert to fraction form
    101,270.28/151,998 = 51,384.72/x
  3. Step 3: Cross multiply
    101,270.28x = 151,998 × 51,384.72
  4. Step 4: Simplify right side
    101,270.28x = 7,810,374,670.56
  5. Step 5: Solve for x
    x = 7,810,374,670.56/101,270.28
  6. Step 6: Final answer
    x = 77,124.06

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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.