Home / 251,727.06-377,603.04-71,839

Finding the Fourth Proportional to 251,727.06, 377,603.04 and 71,839

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Solution

The fourth proportional to 251,727.06, 377,603.04 and 71,839 is: 107,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,727.06 : 377,603.04 = 71,839 : x
  2. Step 2: Convert to fraction form
    251,727.06/377,603.04 = 71,839/x
  3. Step 3: Cross multiply
    251,727.06x = 377,603.04 × 71,839
  4. Step 4: Simplify right side
    251,727.06x = 27,126,624,790.56
  5. Step 5: Solve for x
    x = 27,126,624,790.56/251,727.06
  6. Step 6: Final answer
    x = 107,762.05

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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.