Home / 150,448.36-207,610.74-86,782.36

Finding the Fourth Proportional to 150,448.36, 207,610.74 and 86,782.36

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Solution

The fourth proportional to 150,448.36, 207,610.74 and 86,782.36 is: 119,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,448.36 : 207,610.74 = 86,782.36 : x
  2. Step 2: Convert to fraction form
    150,448.36/207,610.74 = 86,782.36/x
  3. Step 3: Cross multiply
    150,448.36x = 207,610.74 × 86,782.36
  4. Step 4: Simplify right side
    150,448.36x = 18,016,949,978.55
  5. Step 5: Solve for x
    x = 18,016,949,978.55/150,448.36
  6. Step 6: Final answer
    x = 119,755.04

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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.