Home / 217,658.04-300,370.32-122,162.82

Finding the Fourth Proportional to 217,658.04, 300,370.32 and 122,162.82

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Solution

The fourth proportional to 217,658.04, 300,370.32 and 122,162.82 is: 168,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,658.04 : 300,370.32 = 122,162.82 : x
  2. Step 2: Convert to fraction form
    217,658.04/300,370.32 = 122,162.82/x
  3. Step 3: Cross multiply
    217,658.04x = 300,370.32 × 122,162.82
  4. Step 4: Simplify right side
    217,658.04x = 36,694,085,335.50
  5. Step 5: Solve for x
    x = 36,694,085,335.50/217,658.04
  6. Step 6: Final answer
    x = 168,585.94

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1.5x scale

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.