Home / 139,173.53-208,771.56-39,334.55

Finding the Fourth Proportional to 139,173.53, 208,771.56 and 39,334.55

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Solution

The fourth proportional to 139,173.53, 208,771.56 and 39,334.55 is: 59,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,173.53 : 208,771.56 = 39,334.55 : x
  2. Step 2: Convert to fraction form
    139,173.53/208,771.56 = 39,334.55/x
  3. Step 3: Cross multiply
    139,173.53x = 208,771.56 × 39,334.55
  4. Step 4: Simplify right side
    139,173.53x = 8,211,934,321.54
  5. Step 5: Solve for x
    x = 8,211,934,321.54/139,173.53
  6. Step 6: Final answer
    x = 59,005.00

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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.