Home / 445,764.44-668,634.70-125,938.40

Finding the Fourth Proportional to 445,764.44, 668,634.70 and 125,938.40

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Solution

The fourth proportional to 445,764.44, 668,634.70 and 125,938.40 is: 188,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,764.44 : 668,634.70 = 125,938.40 : x
  2. Step 2: Convert to fraction form
    445,764.44/668,634.70 = 125,938.40/x
  3. Step 3: Cross multiply
    445,764.44x = 668,634.70 × 125,938.40
  4. Step 4: Simplify right side
    445,764.44x = 84,206,780,880.60
  5. Step 5: Solve for x
    x = 84,206,780,880.60/445,764.44
  6. Step 6: Final answer
    x = 188,904.21

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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.