Home / 139,147.58-208,721.87-33,966.54

Finding the Fourth Proportional to 139,147.58, 208,721.87 and 33,966.54

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Solution

The fourth proportional to 139,147.58, 208,721.87 and 33,966.54 is: 50,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,147.58 : 208,721.87 = 33,966.54 : x
  2. Step 2: Convert to fraction form
    139,147.58/208,721.87 = 33,966.54/x
  3. Step 3: Cross multiply
    139,147.58x = 208,721.87 × 33,966.54
  4. Step 4: Simplify right side
    139,147.58x = 7,089,559,576.40
  5. Step 5: Solve for x
    x = 7,089,559,576.40/139,147.58
  6. Step 6: Final answer
    x = 50,949.93

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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.