Home / 204,220.69-306,372.53-71,111.32

Finding the Fourth Proportional to 204,220.69, 306,372.53 and 71,111.32

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Solution

The fourth proportional to 204,220.69, 306,372.53 and 71,111.32 is: 106,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,220.69 : 306,372.53 = 71,111.32 : x
  2. Step 2: Convert to fraction form
    204,220.69/306,372.53 = 71,111.32/x
  3. Step 3: Cross multiply
    204,220.69x = 306,372.53 × 71,111.32
  4. Step 4: Simplify right side
    204,220.69x = 21,786,554,431.89
  5. Step 5: Solve for x
    x = 21,786,554,431.89/204,220.69
  6. Step 6: Final answer
    x = 106,681.43

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1.5x scale

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.