Home / 240,106.86-331,348.30-131,211.18

Finding the Fourth Proportional to 240,106.86, 331,348.30 and 131,211.18

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Solution

The fourth proportional to 240,106.86, 331,348.30 and 131,211.18 is: 181,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,106.86 : 331,348.30 = 131,211.18 : x
  2. Step 2: Convert to fraction form
    240,106.86/331,348.30 = 131,211.18/x
  3. Step 3: Cross multiply
    240,106.86x = 331,348.30 × 131,211.18
  4. Step 4: Simplify right side
    240,106.86x = 43,476,601,433.99
  5. Step 5: Solve for x
    x = 43,476,601,433.99/240,106.86
  6. Step 6: Final answer
    x = 181,071.88

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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.