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Finding the Fourth Proportional to 101,213, 151,912.08 and 51,327.52

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Solution

The fourth proportional to 101,213, 151,912.08 and 51,327.52 is: 77,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,213 : 151,912.08 = 51,327.52 : x
  2. Step 2: Convert to fraction form
    101,213/151,912.08 = 51,327.52/x
  3. Step 3: Cross multiply
    101,213x = 151,912.08 × 51,327.52
  4. Step 4: Simplify right side
    101,213x = 7,797,270,324.44
  5. Step 5: Solve for x
    x = 7,797,270,324.44/101,213
  6. Step 6: Final answer
    x = 77,038.23

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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.