Home / 133,287.93-183,936.89-72,858.56

Finding the Fourth Proportional to 133,287.93, 183,936.89 and 72,858.56

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Solution

The fourth proportional to 133,287.93, 183,936.89 and 72,858.56 is: 100,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,287.93 : 183,936.89 = 72,858.56 : x
  2. Step 2: Convert to fraction form
    133,287.93/183,936.89 = 72,858.56/x
  3. Step 3: Cross multiply
    133,287.93x = 183,936.89 × 72,858.56
  4. Step 4: Simplify right side
    133,287.93x = 13,401,376,198.74
  5. Step 5: Solve for x
    x = 13,401,376,198.74/133,287.93
  6. Step 6: Final answer
    x = 100,544.56

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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.