Home / 239,665.23-330,739.20-132,235.34

Finding the Fourth Proportional to 239,665.23, 330,739.20 and 132,235.34

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Solution

The fourth proportional to 239,665.23, 330,739.20 and 132,235.34 is: 182,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,665.23 : 330,739.20 = 132,235.34 : x
  2. Step 2: Convert to fraction form
    239,665.23/330,739.20 = 132,235.34/x
  3. Step 3: Cross multiply
    239,665.23x = 330,739.20 × 132,235.34
  4. Step 4: Simplify right side
    239,665.23x = 43,735,408,909.63
  5. Step 5: Solve for x
    x = 43,735,408,909.63/239,665.23
  6. Step 6: Final answer
    x = 182,485.41

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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.