Home / 204,653.25-307,029.02-78,291.42

Finding the Fourth Proportional to 204,653.25, 307,029.02 and 78,291.42

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Solution

The fourth proportional to 204,653.25, 307,029.02 and 78,291.42 is: 117,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,653.25 : 307,029.02 = 78,291.42 : x
  2. Step 2: Convert to fraction form
    204,653.25/307,029.02 = 78,291.42/x
  3. Step 3: Cross multiply
    204,653.25x = 307,029.02 × 78,291.42
  4. Step 4: Simplify right side
    204,653.25x = 24,037,737,957.01
  5. Step 5: Solve for x
    x = 24,037,737,957.01/204,653.25
  6. Step 6: Final answer
    x = 117,455.93

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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.