Home / 150,997.20-208,371.66-86,464.32

Finding the Fourth Proportional to 150,997.20, 208,371.66 and 86,464.32

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Solution

The fourth proportional to 150,997.20, 208,371.66 and 86,464.32 is: 119,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,997.20 : 208,371.66 = 86,464.32 : x
  2. Step 2: Convert to fraction form
    150,997.20/208,371.66 = 86,464.32/x
  3. Step 3: Cross multiply
    150,997.20x = 208,371.66 × 86,464.32
  4. Step 4: Simplify right side
    150,997.20x = 18,016,713,889.17
  5. Step 5: Solve for x
    x = 18,016,713,889.17/150,997.20
  6. Step 6: Final answer
    x = 119,318.20

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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.