Home / 198,240.45-273,564.51-107,594.47

Finding the Fourth Proportional to 198,240.45, 273,564.51 and 107,594.47

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Solution

The fourth proportional to 198,240.45, 273,564.51 and 107,594.47 is: 148,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,240.45 : 273,564.51 = 107,594.47 : x
  2. Step 2: Convert to fraction form
    198,240.45/273,564.51 = 107,594.47/x
  3. Step 3: Cross multiply
    198,240.45x = 273,564.51 × 107,594.47
  4. Step 4: Simplify right side
    198,240.45x = 29,434,028,009.39
  5. Step 5: Solve for x
    x = 29,434,028,009.39/198,240.45
  6. Step 6: Final answer
    x = 148,476.40

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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.