Home / 158,995.50-219,413.07-91,012.09

Finding the Fourth Proportional to 158,995.50, 219,413.07 and 91,012.09

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Solution

The fourth proportional to 158,995.50, 219,413.07 and 91,012.09 is: 125,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,995.50 : 219,413.07 = 91,012.09 : x
  2. Step 2: Convert to fraction form
    158,995.50/219,413.07 = 91,012.09/x
  3. Step 3: Cross multiply
    158,995.50x = 219,413.07 × 91,012.09
  4. Step 4: Simplify right side
    158,995.50x = 19,969,242,074.02
  5. Step 5: Solve for x
    x = 19,969,242,074.02/158,995.50
  6. Step 6: Final answer
    x = 125,596.27

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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.