Home / 257,180.42-385,583.70-107,463.56

Finding the Fourth Proportional to 257,180.42, 385,583.70 and 107,463.56

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Solution

The fourth proportional to 257,180.42, 385,583.70 and 107,463.56 is: 161,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,180.42 : 385,583.70 = 107,463.56 : x
  2. Step 2: Convert to fraction form
    257,180.42/385,583.70 = 107,463.56/x
  3. Step 3: Cross multiply
    257,180.42x = 385,583.70 × 107,463.56
  4. Step 4: Simplify right side
    257,180.42x = 41,436,197,079.97
  5. Step 5: Solve for x
    x = 41,436,197,079.97/257,180.42
  6. Step 6: Final answer
    x = 161,117.23

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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.