Home / 146,046.70-218,643-132,039.10

Finding the Fourth Proportional to 146,046.70, 218,643 and 132,039.10

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Solution

The fourth proportional to 146,046.70, 218,643 and 132,039.10 is: 197,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,046.70 : 218,643 = 132,039.10 : x
  2. Step 2: Convert to fraction form
    146,046.70/218,643 = 132,039.10/x
  3. Step 3: Cross multiply
    146,046.70x = 218,643 × 132,039.10
  4. Step 4: Simplify right side
    146,046.70x = 28,869,424,941.30
  5. Step 5: Solve for x
    x = 28,869,424,941.30/146,046.70
  6. Step 6: Final answer
    x = 197,672.56

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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.