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Finding the Fourth Proportional to 146,159.22, 201,678 and 88,768.62

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Solution

The fourth proportional to 146,159.22, 201,678 and 88,768.62 is: 122,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,159.22 : 201,678 = 88,768.62 : x
  2. Step 2: Convert to fraction form
    146,159.22/201,678 = 88,768.62/x
  3. Step 3: Cross multiply
    146,159.22x = 201,678 × 88,768.62
  4. Step 4: Simplify right side
    146,159.22x = 17,902,677,744.36
  5. Step 5: Solve for x
    x = 17,902,677,744.36/146,159.22
  6. Step 6: Final answer
    x = 122,487.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.