Home / 188,927.76-260,715.23-102,885.03

Finding the Fourth Proportional to 188,927.76, 260,715.23 and 102,885.03

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Solution

The fourth proportional to 188,927.76, 260,715.23 and 102,885.03 is: 141,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,927.76 : 260,715.23 = 102,885.03 : x
  2. Step 2: Convert to fraction form
    188,927.76/260,715.23 = 102,885.03/x
  3. Step 3: Cross multiply
    188,927.76x = 260,715.23 × 102,885.03
  4. Step 4: Simplify right side
    188,927.76x = 26,823,694,260.01
  5. Step 5: Solve for x
    x = 26,823,694,260.01/188,927.76
  6. Step 6: Final answer
    x = 141,978.58

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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.