Home / 205,149.35-307,693.24-64,889.75

Finding the Fourth Proportional to 205,149.35, 307,693.24 and 64,889.75

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Solution

The fourth proportional to 205,149.35, 307,693.24 and 64,889.75 is: 97,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,149.35 : 307,693.24 = 64,889.75 : x
  2. Step 2: Convert to fraction form
    205,149.35/307,693.24 = 64,889.75/x
  3. Step 3: Cross multiply
    205,149.35x = 307,693.24 × 64,889.75
  4. Step 4: Simplify right side
    205,149.35x = 19,966,137,420.29
  5. Step 5: Solve for x
    x = 19,966,137,420.29/205,149.35
  6. Step 6: Final answer
    x = 97,324.89

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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.