Home / 214,821.45-322,238.52-102,513.60

Finding the Fourth Proportional to 214,821.45, 322,238.52 and 102,513.60

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Solution

The fourth proportional to 214,821.45, 322,238.52 and 102,513.60 is: 153,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,821.45 : 322,238.52 = 102,513.60 : x
  2. Step 2: Convert to fraction form
    214,821.45/322,238.52 = 102,513.60/x
  3. Step 3: Cross multiply
    214,821.45x = 322,238.52 × 102,513.60
  4. Step 4: Simplify right side
    214,821.45x = 33,033,830,743.87
  5. Step 5: Solve for x
    x = 33,033,830,743.87/214,821.45
  6. Step 6: Final answer
    x = 153,773.43

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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.