Home / 170,450.42-235,216.78-106,823.30

Finding the Fourth Proportional to 170,450.42, 235,216.78 and 106,823.30

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Solution

The fourth proportional to 170,450.42, 235,216.78 and 106,823.30 is: 147,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,450.42 : 235,216.78 = 106,823.30 : x
  2. Step 2: Convert to fraction form
    170,450.42/235,216.78 = 106,823.30/x
  3. Step 3: Cross multiply
    170,450.42x = 235,216.78 × 106,823.30
  4. Step 4: Simplify right side
    170,450.42x = 25,126,631,211.83
  5. Step 5: Solve for x
    x = 25,126,631,211.83/170,450.42
  6. Step 6: Final answer
    x = 147,413.14

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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.