Home / 150,979.90-208,329.44-82,999.75

Finding the Fourth Proportional to 150,979.90, 208,329.44 and 82,999.75

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Solution

The fourth proportional to 150,979.90, 208,329.44 and 82,999.75 is: 114,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.90 : 208,329.44 = 82,999.75 : x
  2. Step 2: Convert to fraction form
    150,979.90/208,329.44 = 82,999.75/x
  3. Step 3: Cross multiply
    150,979.90x = 208,329.44 × 82,999.75
  4. Step 4: Simplify right side
    150,979.90x = 17,291,291,022.64
  5. Step 5: Solve for x
    x = 17,291,291,022.64/150,979.90
  6. Step 6: Final answer
    x = 114,527.11

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1.5x scale

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.