Home / 107,023.05-147,791.09-80,118.85

Finding the Fourth Proportional to 107,023.05, 147,791.09 and 80,118.85

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Solution

The fourth proportional to 107,023.05, 147,791.09 and 80,118.85 is: 110,638.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,023.05 : 147,791.09 = 80,118.85 : x
  2. Step 2: Convert to fraction form
    107,023.05/147,791.09 = 80,118.85/x
  3. Step 3: Cross multiply
    107,023.05x = 147,791.09 × 80,118.85
  4. Step 4: Simplify right side
    107,023.05x = 11,840,852,171.05
  5. Step 5: Solve for x
    x = 11,840,852,171.05/107,023.05
  6. Step 6: Final answer
    x = 110,638.34

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1.5x scale

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.