Home / 204,681.75-307,033.56-64,451.31

Finding the Fourth Proportional to 204,681.75, 307,033.56 and 64,451.31

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Solution

The fourth proportional to 204,681.75, 307,033.56 and 64,451.31 is: 96,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,681.75 : 307,033.56 = 64,451.31 : x
  2. Step 2: Convert to fraction form
    204,681.75/307,033.56 = 64,451.31/x
  3. Step 3: Cross multiply
    204,681.75x = 307,033.56 × 64,451.31
  4. Step 4: Simplify right side
    204,681.75x = 19,788,715,155.96
  5. Step 5: Solve for x
    x = 19,788,715,155.96/204,681.75
  6. Step 6: Final answer
    x = 96,680.41

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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.