Home / 188,938.78-260,730.19-102,895.82

Finding the Fourth Proportional to 188,938.78, 260,730.19 and 102,895.82

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Solution

The fourth proportional to 188,938.78, 260,730.19 and 102,895.82 is: 141,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,938.78 : 260,730.19 = 102,895.82 : x
  2. Step 2: Convert to fraction form
    188,938.78/260,730.19 = 102,895.82/x
  3. Step 3: Cross multiply
    188,938.78x = 260,730.19 × 102,895.82
  4. Step 4: Simplify right side
    188,938.78x = 26,828,046,501.51
  5. Step 5: Solve for x
    x = 26,828,046,501.51/188,938.78
  6. Step 6: Final answer
    x = 141,993.33

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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.