Home / 188,428.43-260,045.70-107,881.22

Finding the Fourth Proportional to 188,428.43, 260,045.70 and 107,881.22

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Solution

The fourth proportional to 188,428.43, 260,045.70 and 107,881.22 is: 148,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,428.43 : 260,045.70 = 107,881.22 : x
  2. Step 2: Convert to fraction form
    188,428.43/260,045.70 = 107,881.22/x
  3. Step 3: Cross multiply
    188,428.43x = 260,045.70 × 107,881.22
  4. Step 4: Simplify right side
    188,428.43x = 28,054,047,371.75
  5. Step 5: Solve for x
    x = 28,054,047,371.75/188,428.43
  6. Step 6: Final answer
    x = 148,884.37

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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.