Home / 190,875.31-263,408.40-105,992.37

Finding the Fourth Proportional to 190,875.31, 263,408.40 and 105,992.37

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Solution

The fourth proportional to 190,875.31, 263,408.40 and 105,992.37 is: 146,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,875.31 : 263,408.40 = 105,992.37 : x
  2. Step 2: Convert to fraction form
    190,875.31/263,408.40 = 105,992.37/x
  3. Step 3: Cross multiply
    190,875.31x = 263,408.40 × 105,992.37
  4. Step 4: Simplify right side
    190,875.31x = 27,919,280,593.91
  5. Step 5: Solve for x
    x = 27,919,280,593.91/190,875.31
  6. Step 6: Final answer
    x = 146,269.73

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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.