Home / 221,085.30-331,433.55-132,374.10

Finding the Fourth Proportional to 221,085.30, 331,433.55 and 132,374.10

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Solution

The fourth proportional to 221,085.30, 331,433.55 and 132,374.10 is: 198,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,085.30 : 331,433.55 = 132,374.10 : x
  2. Step 2: Convert to fraction form
    221,085.30/331,433.55 = 132,374.10/x
  3. Step 3: Cross multiply
    221,085.30x = 331,433.55 × 132,374.10
  4. Step 4: Simplify right side
    221,085.30x = 43,873,217,891.06
  5. Step 5: Solve for x
    x = 43,873,217,891.06/221,085.30
  6. Step 6: Final answer
    x = 198,444.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.