Home / 139,054.44-208,457.96-50,288.21

Finding the Fourth Proportional to 139,054.44, 208,457.96 and 50,288.21

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Solution

The fourth proportional to 139,054.44, 208,457.96 and 50,288.21 is: 75,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,054.44 : 208,457.96 = 50,288.21 : x
  2. Step 2: Convert to fraction form
    139,054.44/208,457.96 = 50,288.21/x
  3. Step 3: Cross multiply
    139,054.44x = 208,457.96 × 50,288.21
  4. Step 4: Simplify right side
    139,054.44x = 10,482,976,896.07
  5. Step 5: Solve for x
    x = 10,482,976,896.07/139,054.44
  6. Step 6: Final answer
    x = 75,387.58

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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.