Home / 239,271.39-330,209.28-131,841.42

Finding the Fourth Proportional to 239,271.39, 330,209.28 and 131,841.42

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Solution

The fourth proportional to 239,271.39, 330,209.28 and 131,841.42 is: 181,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,271.39 : 330,209.28 = 131,841.42 : x
  2. Step 2: Convert to fraction form
    239,271.39/330,209.28 = 131,841.42/x
  3. Step 3: Cross multiply
    239,271.39x = 330,209.28 × 131,841.42
  4. Step 4: Simplify right side
    239,271.39x = 43,535,260,372.38
  5. Step 5: Solve for x
    x = 43,535,260,372.38/239,271.39
  6. Step 6: Final answer
    x = 181,949.29

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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.