Home / 140,074.31-193,303.13-76,413.44

Finding the Fourth Proportional to 140,074.31, 193,303.13 and 76,413.44

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Solution

The fourth proportional to 140,074.31, 193,303.13 and 76,413.44 is: 105,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,074.31 : 193,303.13 = 76,413.44 : x
  2. Step 2: Convert to fraction form
    140,074.31/193,303.13 = 76,413.44/x
  3. Step 3: Cross multiply
    140,074.31x = 193,303.13 × 76,413.44
  4. Step 4: Simplify right side
    140,074.31x = 14,770,957,227.26
  5. Step 5: Solve for x
    x = 14,770,957,227.26/140,074.31
  6. Step 6: Final answer
    x = 105,450.86

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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.