Home / 140,009.82-209,977.08-51,263.80

Finding the Fourth Proportional to 140,009.82, 209,977.08 and 51,263.80

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Solution

The fourth proportional to 140,009.82, 209,977.08 and 51,263.80 is: 76,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,009.82 : 209,977.08 = 51,263.80 : x
  2. Step 2: Convert to fraction form
    140,009.82/209,977.08 = 51,263.80/x
  3. Step 3: Cross multiply
    140,009.82x = 209,977.08 × 51,263.80
  4. Step 4: Simplify right side
    140,009.82x = 10,764,223,033.70
  5. Step 5: Solve for x
    x = 10,764,223,033.70/140,009.82
  6. Step 6: Final answer
    x = 76,881.91

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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.