Home / 239,229.90-330,137.57-130,333.70

Finding the Fourth Proportional to 239,229.90, 330,137.57 and 130,333.70

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Solution

The fourth proportional to 239,229.90, 330,137.57 and 130,333.70 is: 179,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,229.90 : 330,137.57 = 130,333.70 : x
  2. Step 2: Convert to fraction form
    239,229.90/330,137.57 = 130,333.70/x
  3. Step 3: Cross multiply
    239,229.90x = 330,137.57 × 130,333.70
  4. Step 4: Simplify right side
    239,229.90x = 43,028,052,158.29
  5. Step 5: Solve for x
    x = 43,028,052,158.29/239,229.90
  6. Step 6: Final answer
    x = 179,860.68

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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.