Home / 86,198.49-129,020.67-46,117.44

Finding the Fourth Proportional to 86,198.49, 129,020.67 and 46,117.44

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Solution

The fourth proportional to 86,198.49, 129,020.67 and 46,117.44 is: 69,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,198.49 : 129,020.67 = 46,117.44 : x
  2. Step 2: Convert to fraction form
    86,198.49/129,020.67 = 46,117.44/x
  3. Step 3: Cross multiply
    86,198.49x = 129,020.67 × 46,117.44
  4. Step 4: Simplify right side
    86,198.49x = 5,950,103,007.48
  5. Step 5: Solve for x
    x = 5,950,103,007.48/86,198.49
  6. Step 6: Final answer
    x = 69,027.93

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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.