Home / 139,109.77-208,662.33-44,338.66

Finding the Fourth Proportional to 139,109.77, 208,662.33 and 44,338.66

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Solution

The fourth proportional to 139,109.77, 208,662.33 and 44,338.66 is: 66,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,109.77 : 208,662.33 = 44,338.66 : x
  2. Step 2: Convert to fraction form
    139,109.77/208,662.33 = 44,338.66/x
  3. Step 3: Cross multiply
    139,109.77x = 208,662.33 × 44,338.66
  4. Step 4: Simplify right side
    139,109.77x = 9,251,808,104.68
  5. Step 5: Solve for x
    x = 9,251,808,104.68/139,109.77
  6. Step 6: Final answer
    x = 66,507.25

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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.