Home / 137,674.26-206,586.60-53,437.74

Finding the Fourth Proportional to 137,674.26, 206,586.60 and 53,437.74

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Solution

The fourth proportional to 137,674.26, 206,586.60 and 53,437.74 is: 80,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,674.26 : 206,586.60 = 53,437.74 : x
  2. Step 2: Convert to fraction form
    137,674.26/206,586.60 = 53,437.74/x
  3. Step 3: Cross multiply
    137,674.26x = 206,586.60 × 53,437.74
  4. Step 4: Simplify right side
    137,674.26x = 11,039,521,018.28
  5. Step 5: Solve for x
    x = 11,039,521,018.28/137,674.26
  6. Step 6: Final answer
    x = 80,185.80

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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.