Home / 139,173.54-208,773.96-39,334.50

Finding the Fourth Proportional to 139,173.54, 208,773.96 and 39,334.50

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Solution

The fourth proportional to 139,173.54, 208,773.96 and 39,334.50 is: 59,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,173.54 : 208,773.96 = 39,334.50 : x
  2. Step 2: Convert to fraction form
    139,173.54/208,773.96 = 39,334.50/x
  3. Step 3: Cross multiply
    139,173.54x = 208,773.96 × 39,334.50
  4. Step 4: Simplify right side
    139,173.54x = 8,212,019,329.62
  5. Step 5: Solve for x
    x = 8,212,019,329.62/139,173.54
  6. Step 6: Final answer
    x = 59,005.61

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1.5x scale

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.