Home / 137,825.78-206,745.73-37,983.76

Finding the Fourth Proportional to 137,825.78, 206,745.73 and 37,983.76

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Solution

The fourth proportional to 137,825.78, 206,745.73 and 37,983.76 is: 56,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,825.78 : 206,745.73 = 37,983.76 : x
  2. Step 2: Convert to fraction form
    137,825.78/206,745.73 = 37,983.76/x
  3. Step 3: Cross multiply
    137,825.78x = 206,745.73 × 37,983.76
  4. Step 4: Simplify right side
    137,825.78x = 7,852,979,577.52
  5. Step 5: Solve for x
    x = 7,852,979,577.52/137,825.78
  6. Step 6: Final answer
    x = 56,977.58

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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.