Home / 100,056.80-150,136.94-43,936.31

Finding the Fourth Proportional to 100,056.80, 150,136.94 and 43,936.31

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Solution

The fourth proportional to 100,056.80, 150,136.94 and 43,936.31 is: 65,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,056.80 : 150,136.94 = 43,936.31 : x
  2. Step 2: Convert to fraction form
    100,056.80/150,136.94 = 43,936.31/x
  3. Step 3: Cross multiply
    100,056.80x = 150,136.94 × 43,936.31
  4. Step 4: Simplify right side
    100,056.80x = 6,596,463,623.47
  5. Step 5: Solve for x
    x = 6,596,463,623.47/100,056.80
  6. Step 6: Final answer
    x = 65,927.19

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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.