Home / 239,241.60-330,154.38-131,806.44

Finding the Fourth Proportional to 239,241.60, 330,154.38 and 131,806.44

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Solution

The fourth proportional to 239,241.60, 330,154.38 and 131,806.44 is: 181,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,241.60 : 330,154.38 = 131,806.44 : x
  2. Step 2: Convert to fraction form
    239,241.60/330,154.38 = 131,806.44/x
  3. Step 3: Cross multiply
    239,241.60x = 330,154.38 × 131,806.44
  4. Step 4: Simplify right side
    239,241.60x = 43,516,473,478.21
  5. Step 5: Solve for x
    x = 43,516,473,478.21/239,241.60
  6. Step 6: Final answer
    x = 181,893.42

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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.