Home / 206,190.07-309,333.54-64,028.02

Finding the Fourth Proportional to 206,190.07, 309,333.54 and 64,028.02

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Solution

The fourth proportional to 206,190.07, 309,333.54 and 64,028.02 is: 96,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,190.07 : 309,333.54 = 64,028.02 : x
  2. Step 2: Convert to fraction form
    206,190.07/309,333.54 = 64,028.02/x
  3. Step 3: Cross multiply
    206,190.07x = 309,333.54 × 64,028.02
  4. Step 4: Simplify right side
    206,190.07x = 19,806,014,085.79
  5. Step 5: Solve for x
    x = 19,806,014,085.79/206,190.07
  6. Step 6: Final answer
    x = 96,057.07

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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.