Home / 136,330.23-188,083.44-84,623.07

Finding the Fourth Proportional to 136,330.23, 188,083.44 and 84,623.07

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Solution

The fourth proportional to 136,330.23, 188,083.44 and 84,623.07 is: 116,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,330.23 : 188,083.44 = 84,623.07 : x
  2. Step 2: Convert to fraction form
    136,330.23/188,083.44 = 84,623.07/x
  3. Step 3: Cross multiply
    136,330.23x = 188,083.44 × 84,623.07
  4. Step 4: Simplify right side
    136,330.23x = 15,916,198,108.96
  5. Step 5: Solve for x
    x = 15,916,198,108.96/136,330.23
  6. Step 6: Final answer
    x = 116,747.39

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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.