Home / 257,121.27-385,930.68-124,095.18

Finding the Fourth Proportional to 257,121.27, 385,930.68 and 124,095.18

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Solution

The fourth proportional to 257,121.27, 385,930.68 and 124,095.18 is: 186,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,121.27 : 385,930.68 = 124,095.18 : x
  2. Step 2: Convert to fraction form
    257,121.27/385,930.68 = 124,095.18/x
  3. Step 3: Cross multiply
    257,121.27x = 385,930.68 × 124,095.18
  4. Step 4: Simplify right side
    257,121.27x = 47,892,137,202.12
  5. Step 5: Solve for x
    x = 47,892,137,202.12/257,121.27
  6. Step 6: Final answer
    x = 186,262.84

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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.