Home / 143,479.54-197,551.06-121,923.82

Finding the Fourth Proportional to 143,479.54, 197,551.06 and 121,923.82

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Solution

The fourth proportional to 143,479.54, 197,551.06 and 121,923.82 is: 167,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,479.54 : 197,551.06 = 121,923.82 : x
  2. Step 2: Convert to fraction form
    143,479.54/197,551.06 = 121,923.82/x
  3. Step 3: Cross multiply
    143,479.54x = 197,551.06 × 121,923.82
  4. Step 4: Simplify right side
    143,479.54x = 24,086,179,880.25
  5. Step 5: Solve for x
    x = 24,086,179,880.25/143,479.54
  6. Step 6: Final answer
    x = 167,871.88

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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.