Home / 131,093.12-180,837.58-108,297.29

Finding the Fourth Proportional to 131,093.12, 180,837.58 and 108,297.29

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Solution

The fourth proportional to 131,093.12, 180,837.58 and 108,297.29 is: 149,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,093.12 : 180,837.58 = 108,297.29 : x
  2. Step 2: Convert to fraction form
    131,093.12/180,837.58 = 108,297.29/x
  3. Step 3: Cross multiply
    131,093.12x = 180,837.58 × 108,297.29
  4. Step 4: Simplify right side
    131,093.12x = 19,584,219,844.16
  5. Step 5: Solve for x
    x = 19,584,219,844.16/131,093.12
  6. Step 6: Final answer
    x = 149,391.67

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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.