Home / 257,096.85-385,582.35-107,338.38

Finding the Fourth Proportional to 257,096.85, 385,582.35 and 107,338.38

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Solution

The fourth proportional to 257,096.85, 385,582.35 and 107,338.38 is: 160,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,096.85 : 385,582.35 = 107,338.38 : x
  2. Step 2: Convert to fraction form
    257,096.85/385,582.35 = 107,338.38/x
  3. Step 3: Cross multiply
    257,096.85x = 385,582.35 × 107,338.38
  4. Step 4: Simplify right side
    257,096.85x = 41,387,784,805.59
  5. Step 5: Solve for x
    x = 41,387,784,805.59/257,096.85
  6. Step 6: Final answer
    x = 160,981.30

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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.