Home / 252,156.39-378,293.73-100,362.66

Finding the Fourth Proportional to 252,156.39, 378,293.73 and 100,362.66

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Solution

The fourth proportional to 252,156.39, 378,293.73 and 100,362.66 is: 150,567.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,156.39 : 378,293.73 = 100,362.66 : x
  2. Step 2: Convert to fraction form
    252,156.39/378,293.73 = 100,362.66/x
  3. Step 3: Cross multiply
    252,156.39x = 378,293.73 × 100,362.66
  4. Step 4: Simplify right side
    252,156.39x = 37,966,564,753.22
  5. Step 5: Solve for x
    x = 37,966,564,753.22/252,156.39
  6. Step 6: Final answer
    x = 150,567.53

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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.