Home / 146,247.40-218,933.70-87,052.60

Finding the Fourth Proportional to 146,247.40, 218,933.70 and 87,052.60

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Solution

The fourth proportional to 146,247.40, 218,933.70 and 87,052.60 is: 130,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,247.40 : 218,933.70 = 87,052.60 : x
  2. Step 2: Convert to fraction form
    146,247.40/218,933.70 = 87,052.60/x
  3. Step 3: Cross multiply
    146,247.40x = 218,933.70 × 87,052.60
  4. Step 4: Simplify right side
    146,247.40x = 19,058,747,812.62
  5. Step 5: Solve for x
    x = 19,058,747,812.62/146,247.40
  6. Step 6: Final answer
    x = 130,318.54

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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.