Home / 137,674.32-206,586.60-53,437.80

Finding the Fourth Proportional to 137,674.32, 206,586.60 and 53,437.80

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Solution

The fourth proportional to 137,674.32, 206,586.60 and 53,437.80 is: 80,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,674.32 : 206,586.60 = 53,437.80 : x
  2. Step 2: Convert to fraction form
    137,674.32/206,586.60 = 53,437.80/x
  3. Step 3: Cross multiply
    137,674.32x = 206,586.60 × 53,437.80
  4. Step 4: Simplify right side
    137,674.32x = 11,039,533,413.48
  5. Step 5: Solve for x
    x = 11,039,533,413.48/137,674.32
  6. Step 6: Final answer
    x = 80,185.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.