Home / 144,647.24-199,610.96-80,987.31

Finding the Fourth Proportional to 144,647.24, 199,610.96 and 80,987.31

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Solution

The fourth proportional to 144,647.24, 199,610.96 and 80,987.31 is: 111,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,647.24 : 199,610.96 = 80,987.31 : x
  2. Step 2: Convert to fraction form
    144,647.24/199,610.96 = 80,987.31/x
  3. Step 3: Cross multiply
    144,647.24x = 199,610.96 × 80,987.31
  4. Step 4: Simplify right side
    144,647.24x = 16,165,954,291.98
  5. Step 5: Solve for x
    x = 16,165,954,291.98/144,647.24
  6. Step 6: Final answer
    x = 111,761.24

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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.