Home / 214,195.21-320,782.09-124,047.45

Finding the Fourth Proportional to 214,195.21, 320,782.09 and 124,047.45

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Solution

The fourth proportional to 214,195.21, 320,782.09 and 124,047.45 is: 185,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,195.21 : 320,782.09 = 124,047.45 : x
  2. Step 2: Convert to fraction form
    214,195.21/320,782.09 = 124,047.45/x
  3. Step 3: Cross multiply
    214,195.21x = 320,782.09 × 124,047.45
  4. Step 4: Simplify right side
    214,195.21x = 39,792,200,270.17
  5. Step 5: Solve for x
    x = 39,792,200,270.17/214,195.21
  6. Step 6: Final answer
    x = 185,775.40

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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.