Home / 137,001.78-188,710.74-96,644.58

Finding the Fourth Proportional to 137,001.78, 188,710.74 and 96,644.58

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Solution

The fourth proportional to 137,001.78, 188,710.74 and 96,644.58 is: 133,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,001.78 : 188,710.74 = 96,644.58 : x
  2. Step 2: Convert to fraction form
    137,001.78/188,710.74 = 96,644.58/x
  3. Step 3: Cross multiply
    137,001.78x = 188,710.74 × 96,644.58
  4. Step 4: Simplify right side
    137,001.78x = 18,237,870,208.79
  5. Step 5: Solve for x
    x = 18,237,870,208.79/137,001.78
  6. Step 6: Final answer
    x = 133,121.41

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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.