Home / 190,717.74-263,241.90-119,054.61

Finding the Fourth Proportional to 190,717.74, 263,241.90 and 119,054.61

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Solution

The fourth proportional to 190,717.74, 263,241.90 and 119,054.61 is: 164,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.74 : 263,241.90 = 119,054.61 : x
  2. Step 2: Convert to fraction form
    190,717.74/263,241.90 = 119,054.61/x
  3. Step 3: Cross multiply
    190,717.74x = 263,241.90 × 119,054.61
  4. Step 4: Simplify right side
    190,717.74x = 31,340,161,740.16
  5. Step 5: Solve for x
    x = 31,340,161,740.16/190,717.74
  6. Step 6: Final answer
    x = 164,327.46

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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.