Home / 252,001.35-378,002.03-168,020.55

Finding the Fourth Proportional to 252,001.35, 378,002.03 and 168,020.55

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Solution

The fourth proportional to 252,001.35, 378,002.03 and 168,020.55 is: 252,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,001.35 : 378,002.03 = 168,020.55 : x
  2. Step 2: Convert to fraction form
    252,001.35/378,002.03 = 168,020.55/x
  3. Step 3: Cross multiply
    252,001.35x = 378,002.03 × 168,020.55
  4. Step 4: Simplify right side
    252,001.35x = 63,512,108,141.61
  5. Step 5: Solve for x
    x = 63,512,108,141.61/252,001.35
  6. Step 6: Final answer
    x = 252,030.83

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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.