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Finding the Fourth Proportional to 101,231.82, 151,848.27 and 66,392.10

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Solution

The fourth proportional to 101,231.82, 151,848.27 and 66,392.10 is: 99,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,231.82 : 151,848.27 = 66,392.10 : x
  2. Step 2: Convert to fraction form
    101,231.82/151,848.27 = 66,392.10/x
  3. Step 3: Cross multiply
    101,231.82x = 151,848.27 × 66,392.10
  4. Step 4: Simplify right side
    101,231.82x = 10,081,525,526.67
  5. Step 5: Solve for x
    x = 10,081,525,526.67/101,231.82
  6. Step 6: Final answer
    x = 99,588.50

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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.