Home / 204,654.25-307,030.52-78,292.42

Finding the Fourth Proportional to 204,654.25, 307,030.52 and 78,292.42

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Solution

The fourth proportional to 204,654.25, 307,030.52 and 78,292.42 is: 117,457.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,654.25 : 307,030.52 = 78,292.42 : x
  2. Step 2: Convert to fraction form
    204,654.25/307,030.52 = 78,292.42/x
  3. Step 3: Cross multiply
    204,654.25x = 307,030.52 × 78,292.42
  4. Step 4: Simplify right side
    204,654.25x = 24,038,162,424.66
  5. Step 5: Solve for x
    x = 24,038,162,424.66/204,654.25
  6. Step 6: Final answer
    x = 117,457.43

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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.