Home / 83,426.36-125,138.44-20,246.94

Finding the Fourth Proportional to 83,426.36, 125,138.44 and 20,246.94

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Solution

The fourth proportional to 83,426.36, 125,138.44 and 20,246.94 is: 30,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,426.36 : 125,138.44 = 20,246.94 : x
  2. Step 2: Convert to fraction form
    83,426.36/125,138.44 = 20,246.94/x
  3. Step 3: Cross multiply
    83,426.36x = 125,138.44 × 20,246.94
  4. Step 4: Simplify right side
    83,426.36x = 2,533,670,486.37
  5. Step 5: Solve for x
    x = 2,533,670,486.37/83,426.36
  6. Step 6: Final answer
    x = 30,370.14

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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.