Home / 239,412.83-330,393.36-130,517.24

Finding the Fourth Proportional to 239,412.83, 330,393.36 and 130,517.24

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Solution

The fourth proportional to 239,412.83, 330,393.36 and 130,517.24 is: 180,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,412.83 : 330,393.36 = 130,517.24 : x
  2. Step 2: Convert to fraction form
    239,412.83/330,393.36 = 130,517.24/x
  3. Step 3: Cross multiply
    239,412.83x = 330,393.36 × 130,517.24
  4. Step 4: Simplify right side
    239,412.83x = 43,122,027,809.56
  5. Step 5: Solve for x
    x = 43,122,027,809.56/239,412.83
  6. Step 6: Final answer
    x = 180,115.78

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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.