Home / 190,562.86-262,974.96-104,520.09

Finding the Fourth Proportional to 190,562.86, 262,974.96 and 104,520.09

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Solution

The fourth proportional to 190,562.86, 262,974.96 and 104,520.09 is: 144,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,562.86 : 262,974.96 = 104,520.09 : x
  2. Step 2: Convert to fraction form
    190,562.86/262,974.96 = 104,520.09/x
  3. Step 3: Cross multiply
    190,562.86x = 262,974.96 × 104,520.09
  4. Step 4: Simplify right side
    190,562.86x = 27,486,166,486.95
  5. Step 5: Solve for x
    x = 27,486,166,486.95/190,562.86
  6. Step 6: Final answer
    x = 144,236.74

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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.