Home / 150,979.66-208,354.56-82,999.50

Finding the Fourth Proportional to 150,979.66, 208,354.56 and 82,999.50

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Solution

The fourth proportional to 150,979.66, 208,354.56 and 82,999.50 is: 114,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,979.66 : 208,354.56 = 82,999.50 : x
  2. Step 2: Convert to fraction form
    150,979.66/208,354.56 = 82,999.50/x
  3. Step 3: Cross multiply
    150,979.66x = 208,354.56 × 82,999.50
  4. Step 4: Simplify right side
    150,979.66x = 17,293,323,260.95
  5. Step 5: Solve for x
    x = 17,293,323,260.95/150,979.66
  6. Step 6: Final answer
    x = 114,540.75

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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.