Home / 131,072.70-196,317.45-107,744.70

Finding the Fourth Proportional to 131,072.70, 196,317.45 and 107,744.70

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Solution

The fourth proportional to 131,072.70, 196,317.45 and 107,744.70 is: 161,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,072.70 : 196,317.45 = 107,744.70 : x
  2. Step 2: Convert to fraction form
    131,072.70/196,317.45 = 107,744.70/x
  3. Step 3: Cross multiply
    131,072.70x = 196,317.45 × 107,744.70
  4. Step 4: Simplify right side
    131,072.70x = 21,152,164,755.02
  5. Step 5: Solve for x
    x = 21,152,164,755.02/131,072.70
  6. Step 6: Final answer
    x = 161,377.35

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1.5x scale

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.