Home / 140,859.50-211,244.64-46,067.78

Finding the Fourth Proportional to 140,859.50, 211,244.64 and 46,067.78

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Solution

The fourth proportional to 140,859.50, 211,244.64 and 46,067.78 is: 69,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,859.50 : 211,244.64 = 46,067.78 : x
  2. Step 2: Convert to fraction form
    140,859.50/211,244.64 = 46,067.78/x
  3. Step 3: Cross multiply
    140,859.50x = 211,244.64 × 46,067.78
  4. Step 4: Simplify right side
    140,859.50x = 9,731,571,601.70
  5. Step 5: Solve for x
    x = 9,731,571,601.70/140,859.50
  6. Step 6: Final answer
    x = 69,087.08

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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.