Home / 120,582.74-166,413.59-66,878.26

Finding the Fourth Proportional to 120,582.74, 166,413.59 and 66,878.26

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Solution

The fourth proportional to 120,582.74, 166,413.59 and 66,878.26 is: 92,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,582.74 : 166,413.59 = 66,878.26 : x
  2. Step 2: Convert to fraction form
    120,582.74/166,413.59 = 66,878.26/x
  3. Step 3: Cross multiply
    120,582.74x = 166,413.59 × 66,878.26
  4. Step 4: Simplify right side
    120,582.74x = 11,129,450,839.92
  5. Step 5: Solve for x
    x = 11,129,450,839.92/120,582.74
  6. Step 6: Final answer
    x = 92,297.21

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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.