Home / 152,067.15-209,843.66-84,078.80

Finding the Fourth Proportional to 152,067.15, 209,843.66 and 84,078.80

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Solution

The fourth proportional to 152,067.15, 209,843.66 and 84,078.80 is: 116,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,067.15 : 209,843.66 = 84,078.80 : x
  2. Step 2: Convert to fraction form
    152,067.15/209,843.66 = 84,078.80/x
  3. Step 3: Cross multiply
    152,067.15x = 209,843.66 × 84,078.80
  4. Step 4: Simplify right side
    152,067.15x = 17,643,401,650.80
  5. Step 5: Solve for x
    x = 17,643,401,650.80/152,067.15
  6. Step 6: Final answer
    x = 116,023.75

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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.