Home / 133,972.89-201,056.53-107,991.33

Finding the Fourth Proportional to 133,972.89, 201,056.53 and 107,991.33

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Solution

The fourth proportional to 133,972.89, 201,056.53 and 107,991.33 is: 162,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,972.89 : 201,056.53 = 107,991.33 : x
  2. Step 2: Convert to fraction form
    133,972.89/201,056.53 = 107,991.33/x
  3. Step 3: Cross multiply
    133,972.89x = 201,056.53 × 107,991.33
  4. Step 4: Simplify right side
    133,972.89x = 21,712,362,079.88
  5. Step 5: Solve for x
    x = 21,712,362,079.88/133,972.89
  6. Step 6: Final answer
    x = 162,065.34

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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.