Home / 190,514.46-285,713.28-131,727.90

Finding the Fourth Proportional to 190,514.46, 285,713.28 and 131,727.90

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Solution

The fourth proportional to 190,514.46, 285,713.28 and 131,727.90 is: 197,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,514.46 : 285,713.28 = 131,727.90 : x
  2. Step 2: Convert to fraction form
    190,514.46/285,713.28 = 131,727.90/x
  3. Step 3: Cross multiply
    190,514.46x = 285,713.28 × 131,727.90
  4. Step 4: Simplify right side
    190,514.46x = 37,636,410,376.51
  5. Step 5: Solve for x
    x = 37,636,410,376.51/190,514.46
  6. Step 6: Final answer
    x = 197,551.46

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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.