Home / 239,824.31-330,958.26-130,928.82

Finding the Fourth Proportional to 239,824.31, 330,958.26 and 130,928.82

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Solution

The fourth proportional to 239,824.31, 330,958.26 and 130,928.82 is: 180,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,824.31 : 330,958.26 = 130,928.82 : x
  2. Step 2: Convert to fraction form
    239,824.31/330,958.26 = 130,928.82/x
  3. Step 3: Cross multiply
    239,824.31x = 330,958.26 × 130,928.82
  4. Step 4: Simplify right side
    239,824.31x = 43,331,974,451.05
  5. Step 5: Solve for x
    x = 43,331,974,451.05/239,824.31
  6. Step 6: Final answer
    x = 180,682.16

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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.