Home / 139,664.39-208,909.44-117,734.25

Finding the Fourth Proportional to 139,664.39, 208,909.44 and 117,734.25

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Solution

The fourth proportional to 139,664.39, 208,909.44 and 117,734.25 is: 176,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,664.39 : 208,909.44 = 117,734.25 : x
  2. Step 2: Convert to fraction form
    139,664.39/208,909.44 = 117,734.25/x
  3. Step 3: Cross multiply
    139,664.39x = 208,909.44 × 117,734.25
  4. Step 4: Simplify right side
    139,664.39x = 24,595,796,236.32
  5. Step 5: Solve for x
    x = 24,595,796,236.32/139,664.39
  6. Step 6: Final answer
    x = 176,106.42

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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.