Home / 204,905.94-307,285.02-86,586.46

Finding the Fourth Proportional to 204,905.94, 307,285.02 and 86,586.46

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Solution

The fourth proportional to 204,905.94, 307,285.02 and 86,586.46 is: 129,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,905.94 : 307,285.02 = 86,586.46 : x
  2. Step 2: Convert to fraction form
    204,905.94/307,285.02 = 86,586.46/x
  3. Step 3: Cross multiply
    204,905.94x = 307,285.02 × 86,586.46
  4. Step 4: Simplify right side
    204,905.94x = 26,606,722,092.83
  5. Step 5: Solve for x
    x = 26,606,722,092.83/204,905.94
  6. Step 6: Final answer
    x = 129,848.47

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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.