Home / 140,550.33-210,853.71-51,804.30

Finding the Fourth Proportional to 140,550.33, 210,853.71 and 51,804.30

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Solution

The fourth proportional to 140,550.33, 210,853.71 and 51,804.30 is: 77,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,550.33 : 210,853.71 = 51,804.30 : x
  2. Step 2: Convert to fraction form
    140,550.33/210,853.71 = 51,804.30/x
  3. Step 3: Cross multiply
    140,550.33x = 210,853.71 × 51,804.30
  4. Step 4: Simplify right side
    140,550.33x = 10,923,128,848.95
  5. Step 5: Solve for x
    x = 10,923,128,848.95/140,550.33
  6. Step 6: Final answer
    x = 77,716.85

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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.