Home / 154,949.81-213,956.78-126,273.69

Finding the Fourth Proportional to 154,949.81, 213,956.78 and 126,273.69

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Solution

The fourth proportional to 154,949.81, 213,956.78 and 126,273.69 is: 174,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,949.81 : 213,956.78 = 126,273.69 : x
  2. Step 2: Convert to fraction form
    154,949.81/213,956.78 = 126,273.69/x
  3. Step 3: Cross multiply
    154,949.81x = 213,956.78 × 126,273.69
  4. Step 4: Simplify right side
    154,949.81x = 27,017,111,479.75
  5. Step 5: Solve for x
    x = 27,017,111,479.75/154,949.81
  6. Step 6: Final answer
    x = 174,360.41

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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.