Home / 97,067.15-145,540.41-40,878.33

Finding the Fourth Proportional to 97,067.15, 145,540.41 and 40,878.33

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Solution

The fourth proportional to 97,067.15, 145,540.41 and 40,878.33 is: 61,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,067.15 : 145,540.41 = 40,878.33 : x
  2. Step 2: Convert to fraction form
    97,067.15/145,540.41 = 40,878.33/x
  3. Step 3: Cross multiply
    97,067.15x = 145,540.41 × 40,878.33
  4. Step 4: Simplify right side
    97,067.15x = 5,949,448,908.32
  5. Step 5: Solve for x
    x = 5,949,448,908.32/97,067.15
  6. Step 6: Final answer
    x = 61,292.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.