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Finding the Fourth Proportional to 150,473.36, 207,645.24 and 86,807.36

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Solution

The fourth proportional to 150,473.36, 207,645.24 and 86,807.36 is: 119,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,473.36 : 207,645.24 = 86,807.36 : x
  2. Step 2: Convert to fraction form
    150,473.36/207,645.24 = 86,807.36/x
  3. Step 3: Cross multiply
    150,473.36x = 207,645.24 × 86,807.36
  4. Step 4: Simplify right side
    150,473.36x = 18,025,135,100.97
  5. Step 5: Solve for x
    x = 18,025,135,100.97/150,473.36
  6. Step 6: Final answer
    x = 119,789.54

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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.