Home / 188,930.10-260,721.81-104,045.34

Finding the Fourth Proportional to 188,930.10, 260,721.81 and 104,045.34

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Solution

The fourth proportional to 188,930.10, 260,721.81 and 104,045.34 is: 143,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,930.10 : 260,721.81 = 104,045.34 : x
  2. Step 2: Convert to fraction form
    188,930.10/260,721.81 = 104,045.34/x
  3. Step 3: Cross multiply
    188,930.10x = 260,721.81 × 104,045.34
  4. Step 4: Simplify right side
    188,930.10x = 27,126,889,366.87
  5. Step 5: Solve for x
    x = 27,126,889,366.87/188,930.10
  6. Step 6: Final answer
    x = 143,581.62

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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.