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Finding the Fourth Proportional to 148,383.69, 222,797.87 and 128,454.65

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Solution

The fourth proportional to 148,383.69, 222,797.87 and 128,454.65 is: 192,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,383.69 : 222,797.87 = 128,454.65 : x
  2. Step 2: Convert to fraction form
    148,383.69/222,797.87 = 128,454.65/x
  3. Step 3: Cross multiply
    148,383.69x = 222,797.87 × 128,454.65
  4. Step 4: Simplify right side
    148,383.69x = 28,619,422,175.74
  5. Step 5: Solve for x
    x = 28,619,422,175.74/148,383.69
  6. Step 6: Final answer
    x = 192,874.45

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1.5x scale

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.