Home / 136,363.01-188,214.05-78,993.03

Finding the Fourth Proportional to 136,363.01, 188,214.05 and 78,993.03

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Solution

The fourth proportional to 136,363.01, 188,214.05 and 78,993.03 is: 109,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,363.01 : 188,214.05 = 78,993.03 : x
  2. Step 2: Convert to fraction form
    136,363.01/188,214.05 = 78,993.03/x
  3. Step 3: Cross multiply
    136,363.01x = 188,214.05 × 78,993.03
  4. Step 4: Simplify right side
    136,363.01x = 14,867,598,295.55
  5. Step 5: Solve for x
    x = 14,867,598,295.55/136,363.01
  6. Step 6: Final answer
    x = 109,029.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.