Home / 113,996.82-157,234.01-80,012.89

Finding the Fourth Proportional to 113,996.82, 157,234.01 and 80,012.89

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Solution

The fourth proportional to 113,996.82, 157,234.01 and 80,012.89 is: 110,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,996.82 : 157,234.01 = 80,012.89 : x
  2. Step 2: Convert to fraction form
    113,996.82/157,234.01 = 80,012.89/x
  3. Step 3: Cross multiply
    113,996.82x = 157,234.01 × 80,012.89
  4. Step 4: Simplify right side
    113,996.82x = 12,580,747,546.39
  5. Step 5: Solve for x
    x = 12,580,747,546.39/113,996.82
  6. Step 6: Final answer
    x = 110,360.51

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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.