Home / 240,690.30-332,157.68-131,799.21

Finding the Fourth Proportional to 240,690.30, 332,157.68 and 131,799.21

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Solution

The fourth proportional to 240,690.30, 332,157.68 and 131,799.21 is: 181,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,690.30 : 332,157.68 = 131,799.21 : x
  2. Step 2: Convert to fraction form
    240,690.30/332,157.68 = 131,799.21/x
  3. Step 3: Cross multiply
    240,690.30x = 332,157.68 × 131,799.21
  4. Step 4: Simplify right side
    240,690.30x = 43,778,119,819.43
  5. Step 5: Solve for x
    x = 43,778,119,819.43/240,690.30
  6. Step 6: Final answer
    x = 181,885.68

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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.