Home / 217,667.04-300,377.52-122,172

Finding the Fourth Proportional to 217,667.04, 300,377.52 and 122,172

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Solution

The fourth proportional to 217,667.04, 300,377.52 and 122,172 is: 168,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,667.04 : 300,377.52 = 122,172 : x
  2. Step 2: Convert to fraction form
    217,667.04/300,377.52 = 122,172/x
  3. Step 3: Cross multiply
    217,667.04x = 300,377.52 × 122,172
  4. Step 4: Simplify right side
    217,667.04x = 36,697,722,373.44
  5. Step 5: Solve for x
    x = 36,697,722,373.44/217,667.04
  6. Step 6: Final answer
    x = 168,595.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.