Home / 139,028.90-208,208.88-132,052.37

Finding the Fourth Proportional to 139,028.90, 208,208.88 and 132,052.37

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Solution

The fourth proportional to 139,028.90, 208,208.88 and 132,052.37 is: 197,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,028.90 : 208,208.88 = 132,052.37 : x
  2. Step 2: Convert to fraction form
    139,028.90/208,208.88 = 132,052.37/x
  3. Step 3: Cross multiply
    139,028.90x = 208,208.88 × 132,052.37
  4. Step 4: Simplify right side
    139,028.90x = 27,494,475,018.00
  5. Step 5: Solve for x
    x = 27,494,475,018.00/139,028.90
  6. Step 6: Final answer
    x = 197,760.87

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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.