Home / 137,944.75-190,362.08-77,525.64

Finding the Fourth Proportional to 137,944.75, 190,362.08 and 77,525.64

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Solution

The fourth proportional to 137,944.75, 190,362.08 and 77,525.64 is: 106,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,944.75 : 190,362.08 = 77,525.64 : x
  2. Step 2: Convert to fraction form
    137,944.75/190,362.08 = 77,525.64/x
  3. Step 3: Cross multiply
    137,944.75x = 190,362.08 × 77,525.64
  4. Step 4: Simplify right side
    137,944.75x = 14,757,942,083.73
  5. Step 5: Solve for x
    x = 14,757,942,083.73/137,944.75
  6. Step 6: Final answer
    x = 106,984.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.