Home / 239,371.35-330,327.97-130,476.72

Finding the Fourth Proportional to 239,371.35, 330,327.97 and 130,476.72

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Solution

The fourth proportional to 239,371.35, 330,327.97 and 130,476.72 is: 180,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,371.35 : 330,327.97 = 130,476.72 : x
  2. Step 2: Convert to fraction form
    239,371.35/330,327.97 = 130,476.72/x
  3. Step 3: Cross multiply
    239,371.35x = 330,327.97 × 130,476.72
  4. Step 4: Simplify right side
    239,371.35x = 43,100,111,696.33
  5. Step 5: Solve for x
    x = 43,100,111,696.33/239,371.35
  6. Step 6: Final answer
    x = 180,055.43

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1.5x scale

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.