Home / 257,139.23-385,770.44-107,296.18

Finding the Fourth Proportional to 257,139.23, 385,770.44 and 107,296.18

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Solution

The fourth proportional to 257,139.23, 385,770.44 and 107,296.18 is: 160,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,139.23 : 385,770.44 = 107,296.18 : x
  2. Step 2: Convert to fraction form
    257,139.23/385,770.44 = 107,296.18/x
  3. Step 3: Cross multiply
    257,139.23x = 385,770.44 × 107,296.18
  4. Step 4: Simplify right side
    257,139.23x = 41,391,693,872.73
  5. Step 5: Solve for x
    x = 41,391,693,872.73/257,139.23
  6. Step 6: Final answer
    x = 160,969.97

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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.