Home / 190,842.75-263,363.04-105,960.42

Finding the Fourth Proportional to 190,842.75, 263,363.04 and 105,960.42

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Solution

The fourth proportional to 190,842.75, 263,363.04 and 105,960.42 is: 146,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,842.75 : 263,363.04 = 105,960.42 : x
  2. Step 2: Convert to fraction form
    190,842.75/263,363.04 = 105,960.42/x
  3. Step 3: Cross multiply
    190,842.75x = 263,363.04 × 105,960.42
  4. Step 4: Simplify right side
    190,842.75x = 27,906,058,330.88
  5. Step 5: Solve for x
    x = 27,906,058,330.88/190,842.75
  6. Step 6: Final answer
    x = 146,225.40

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1.5x scale

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.