Home / 188,809.55-260,557.25-103,926

Finding the Fourth Proportional to 188,809.55, 260,557.25 and 103,926

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Solution

The fourth proportional to 188,809.55, 260,557.25 and 103,926 is: 143,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,809.55 : 260,557.25 = 103,926 : x
  2. Step 2: Convert to fraction form
    188,809.55/260,557.25 = 103,926/x
  3. Step 3: Cross multiply
    188,809.55x = 260,557.25 × 103,926
  4. Step 4: Simplify right side
    188,809.55x = 27,078,672,243.87
  5. Step 5: Solve for x
    x = 27,078,672,243.87/188,809.55
  6. Step 6: Final answer
    x = 143,417.92

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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.