Home / 137,875.37-206,178.14-131,149.31

Finding the Fourth Proportional to 137,875.37, 206,178.14 and 131,149.31

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Solution

The fourth proportional to 137,875.37, 206,178.14 and 131,149.31 is: 196,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,875.37 : 206,178.14 = 131,149.31 : x
  2. Step 2: Convert to fraction form
    137,875.37/206,178.14 = 131,149.31/x
  3. Step 3: Cross multiply
    137,875.37x = 206,178.14 × 131,149.31
  4. Step 4: Simplify right side
    137,875.37x = 27,040,119,111.45
  5. Step 5: Solve for x
    x = 27,040,119,111.45/137,875.37
  6. Step 6: Final answer
    x = 196,120.02

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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.