Home / 103,067.87-154,290.59-93,211.79

Finding the Fourth Proportional to 103,067.87, 154,290.59 and 93,211.79

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Solution

The fourth proportional to 103,067.87, 154,290.59 and 93,211.79 is: 139,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,067.87 : 154,290.59 = 93,211.79 : x
  2. Step 2: Convert to fraction form
    103,067.87/154,290.59 = 93,211.79/x
  3. Step 3: Cross multiply
    103,067.87x = 154,290.59 × 93,211.79
  4. Step 4: Simplify right side
    103,067.87x = 14,381,701,608.00
  5. Step 5: Solve for x
    x = 14,381,701,608.00/103,067.87
  6. Step 6: Final answer
    x = 139,536.23

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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.