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Finding the Fourth Proportional to 236,084, 325,795.92 and 130,100

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Solution

The fourth proportional to 236,084, 325,795.92 and 130,100 is: 179,538

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,084 : 325,795.92 = 130,100 : x
  2. Step 2: Convert to fraction form
    236,084/325,795.92 = 130,100/x
  3. Step 3: Cross multiply
    236,084x = 325,795.92 × 130,100
  4. Step 4: Simplify right side
    236,084x = 42,386,049,192
  5. Step 5: Solve for x
    x = 42,386,049,192/236,084
  6. Step 6: Final answer
    x = 179,538

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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.