Home / 216,100.17-324,046.53-102,153.15

Finding the Fourth Proportional to 216,100.17, 324,046.53 and 102,153.15

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Solution

The fourth proportional to 216,100.17, 324,046.53 and 102,153.15 is: 153,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,100.17 : 324,046.53 = 102,153.15 : x
  2. Step 2: Convert to fraction form
    216,100.17/324,046.53 = 102,153.15/x
  3. Step 3: Cross multiply
    216,100.17x = 324,046.53 × 102,153.15
  4. Step 4: Simplify right side
    216,100.17x = 33,102,373,786.07
  5. Step 5: Solve for x
    x = 33,102,373,786.07/216,100.17
  6. Step 6: Final answer
    x = 153,180.69

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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.