Home / 134,678.07-185,787.45-102,791.61

Finding the Fourth Proportional to 134,678.07, 185,787.45 and 102,791.61

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Solution

The fourth proportional to 134,678.07, 185,787.45 and 102,791.61 is: 141,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.07 : 185,787.45 = 102,791.61 : x
  2. Step 2: Convert to fraction form
    134,678.07/185,787.45 = 102,791.61/x
  3. Step 3: Cross multiply
    134,678.07x = 185,787.45 × 102,791.61
  4. Step 4: Simplify right side
    134,678.07x = 19,097,391,103.29
  5. Step 5: Solve for x
    x = 19,097,391,103.29/134,678.07
  6. Step 6: Final answer
    x = 141,800.30

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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.