Home / 137,914.80-206,823.60-49,171.20

Finding the Fourth Proportional to 137,914.80, 206,823.60 and 49,171.20

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Solution

The fourth proportional to 137,914.80, 206,823.60 and 49,171.20 is: 73,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,914.80 : 206,823.60 = 49,171.20 : x
  2. Step 2: Convert to fraction form
    137,914.80/206,823.60 = 49,171.20/x
  3. Step 3: Cross multiply
    137,914.80x = 206,823.60 × 49,171.20
  4. Step 4: Simplify right side
    137,914.80x = 10,169,764,600.32
  5. Step 5: Solve for x
    x = 10,169,764,600.32/137,914.80
  6. Step 6: Final answer
    x = 73,739.47

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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.