Home / 188,748.86-260,484.66-108,181.57

Finding the Fourth Proportional to 188,748.86, 260,484.66 and 108,181.57

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Solution

The fourth proportional to 188,748.86, 260,484.66 and 108,181.57 is: 149,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,748.86 : 260,484.66 = 108,181.57 : x
  2. Step 2: Convert to fraction form
    188,748.86/260,484.66 = 108,181.57/x
  3. Step 3: Cross multiply
    188,748.86x = 260,484.66 × 108,181.57
  4. Step 4: Simplify right side
    188,748.86x = 28,179,638,791.46
  5. Step 5: Solve for x
    x = 28,179,638,791.46/188,748.86
  6. Step 6: Final answer
    x = 149,297.00

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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.