Home / 217,674.39-300,374.18-122,162.64

Finding the Fourth Proportional to 217,674.39, 300,374.18 and 122,162.64

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Solution

The fourth proportional to 217,674.39, 300,374.18 and 122,162.64 is: 168,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,674.39 : 300,374.18 = 122,162.64 : x
  2. Step 2: Convert to fraction form
    217,674.39/300,374.18 = 122,162.64/x
  3. Step 3: Cross multiply
    217,674.39x = 300,374.18 × 122,162.64
  4. Step 4: Simplify right side
    217,674.39x = 36,694,502,205.82
  5. Step 5: Solve for x
    x = 36,694,502,205.82/217,674.39
  6. Step 6: Final answer
    x = 168,575.19

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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.