Home / 150,979.78-208,354.75-82,999.62

Finding the Fourth Proportional to 150,979.78, 208,354.75 and 82,999.62

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Solution

The fourth proportional to 150,979.78, 208,354.75 and 82,999.62 is: 114,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.78 : 208,354.75 = 82,999.62 : x
  2. Step 2: Convert to fraction form
    150,979.78/208,354.75 = 82,999.62/x
  3. Step 3: Cross multiply
    150,979.78x = 208,354.75 × 82,999.62
  4. Step 4: Simplify right side
    150,979.78x = 17,293,364,867.70
  5. Step 5: Solve for x
    x = 17,293,364,867.70/150,979.78
  6. Step 6: Final answer
    x = 114,540.93

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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.