Home / 139,917.05-209,813.66-40,054.49

Finding the Fourth Proportional to 139,917.05, 209,813.66 and 40,054.49

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Solution

The fourth proportional to 139,917.05, 209,813.66 and 40,054.49 is: 60,064.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,917.05 : 209,813.66 = 40,054.49 : x
  2. Step 2: Convert to fraction form
    139,917.05/209,813.66 = 40,054.49/x
  3. Step 3: Cross multiply
    139,917.05x = 209,813.66 × 40,054.49
  4. Step 4: Simplify right side
    139,917.05x = 8,403,978,946.06
  5. Step 5: Solve for x
    x = 8,403,978,946.06/139,917.05
  6. Step 6: Final answer
    x = 60,064.01

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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.