Home / 252,022.90-378,034.35-168,042.10

Finding the Fourth Proportional to 252,022.90, 378,034.35 and 168,042.10

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Solution

The fourth proportional to 252,022.90, 378,034.35 and 168,042.10 is: 252,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,022.90 : 378,034.35 = 168,042.10 : x
  2. Step 2: Convert to fraction form
    252,022.90/378,034.35 = 168,042.10/x
  3. Step 3: Cross multiply
    252,022.90x = 378,034.35 × 168,042.10
  4. Step 4: Simplify right side
    252,022.90x = 63,525,686,046.14
  5. Step 5: Solve for x
    x = 63,525,686,046.14/252,022.90
  6. Step 6: Final answer
    x = 252,063.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.