Home / 251,145.74-376,677.20-82,668.26

Finding the Fourth Proportional to 251,145.74, 376,677.20 and 82,668.26

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Solution

The fourth proportional to 251,145.74, 376,677.20 and 82,668.26 is: 123,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,145.74 : 376,677.20 = 82,668.26 : x
  2. Step 2: Convert to fraction form
    251,145.74/376,677.20 = 82,668.26/x
  3. Step 3: Cross multiply
    251,145.74x = 376,677.20 × 82,668.26
  4. Step 4: Simplify right side
    251,145.74x = 31,139,248,705.67
  5. Step 5: Solve for x
    x = 31,139,248,705.67/251,145.74
  6. Step 6: Final answer
    x = 123,988.76

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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.