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Finding the Fourth Proportional to 139,063.37, 208,603.35 and 39,232.08

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Solution

The fourth proportional to 139,063.37, 208,603.35 and 39,232.08 is: 58,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,063.37 : 208,603.35 = 39,232.08 : x
  2. Step 2: Convert to fraction form
    139,063.37/208,603.35 = 39,232.08/x
  3. Step 3: Cross multiply
    139,063.37x = 208,603.35 × 39,232.08
  4. Step 4: Simplify right side
    139,063.37x = 8,183,943,315.47
  5. Step 5: Solve for x
    x = 8,183,943,315.47/139,063.37
  6. Step 6: Final answer
    x = 58,850.46

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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.