Home / 134,678.82-185,788.49-102,792.36

Finding the Fourth Proportional to 134,678.82, 185,788.49 and 102,792.36

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Solution

The fourth proportional to 134,678.82, 185,788.49 and 102,792.36 is: 141,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.82 : 185,788.49 = 102,792.36 : x
  2. Step 2: Convert to fraction form
    134,678.82/185,788.49 = 102,792.36/x
  3. Step 3: Cross multiply
    134,678.82x = 185,788.49 × 102,792.36
  4. Step 4: Simplify right side
    134,678.82x = 19,097,636,833.97
  5. Step 5: Solve for x
    x = 19,097,636,833.97/134,678.82
  6. Step 6: Final answer
    x = 141,801.34

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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.