Home / 239,072.43-358,369.04-111,078.63

Finding the Fourth Proportional to 239,072.43, 358,369.04 and 111,078.63

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Solution

The fourth proportional to 239,072.43, 358,369.04 and 111,078.63 is: 166,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,072.43 : 358,369.04 = 111,078.63 : x
  2. Step 2: Convert to fraction form
    239,072.43/358,369.04 = 111,078.63/x
  3. Step 3: Cross multiply
    239,072.43x = 358,369.04 × 111,078.63
  4. Step 4: Simplify right side
    239,072.43x = 39,807,141,890.18
  5. Step 5: Solve for x
    x = 39,807,141,890.18/239,072.43
  6. Step 6: Final answer
    x = 166,506.62

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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.