Home / 150,991.04-208,366.44-82,080.08

Finding the Fourth Proportional to 150,991.04, 208,366.44 and 82,080.08

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Solution

The fourth proportional to 150,991.04, 208,366.44 and 82,080.08 is: 113,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,991.04 : 208,366.44 = 82,080.08 : x
  2. Step 2: Convert to fraction form
    150,991.04/208,366.44 = 82,080.08/x
  3. Step 3: Cross multiply
    150,991.04x = 208,366.44 × 82,080.08
  4. Step 4: Simplify right side
    150,991.04x = 17,102,734,064.52
  5. Step 5: Solve for x
    x = 17,102,734,064.52/150,991.04
  6. Step 6: Final answer
    x = 113,269.86

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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.