Home / 177,555.38-245,033.73-102,103.88

Finding the Fourth Proportional to 177,555.38, 245,033.73 and 102,103.88

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Solution

The fourth proportional to 177,555.38, 245,033.73 and 102,103.88 is: 140,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,555.38 : 245,033.73 = 102,103.88 : x
  2. Step 2: Convert to fraction form
    177,555.38/245,033.73 = 102,103.88/x
  3. Step 3: Cross multiply
    177,555.38x = 245,033.73 × 102,103.88
  4. Step 4: Simplify right side
    177,555.38x = 25,018,893,338.70
  5. Step 5: Solve for x
    x = 25,018,893,338.70/177,555.38
  6. Step 6: Final answer
    x = 140,907.55

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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.