Home / 239,720.42-330,813.83-132,290.46

Finding the Fourth Proportional to 239,720.42, 330,813.83 and 132,290.46

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Solution

The fourth proportional to 239,720.42, 330,813.83 and 132,290.46 is: 182,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,720.42 : 330,813.83 = 132,290.46 : x
  2. Step 2: Convert to fraction form
    239,720.42/330,813.83 = 132,290.46/x
  3. Step 3: Cross multiply
    239,720.42x = 330,813.83 × 132,290.46
  4. Step 4: Simplify right side
    239,720.42x = 43,763,513,745.06
  5. Step 5: Solve for x
    x = 43,763,513,745.06/239,720.42
  6. Step 6: Final answer
    x = 182,560.64

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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.