Home / 160,450.56-221,413.34-87,839.55

Finding the Fourth Proportional to 160,450.56, 221,413.34 and 87,839.55

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Solution

The fourth proportional to 160,450.56, 221,413.34 and 87,839.55 is: 121,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,450.56 : 221,413.34 = 87,839.55 : x
  2. Step 2: Convert to fraction form
    160,450.56/221,413.34 = 87,839.55/x
  3. Step 3: Cross multiply
    160,450.56x = 221,413.34 × 87,839.55
  4. Step 4: Simplify right side
    160,450.56x = 19,448,847,710.40
  5. Step 5: Solve for x
    x = 19,448,847,710.40/160,450.56
  6. Step 6: Final answer
    x = 121,213.96

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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.