Home / 131,584.94-181,576.20-77,860.56

Finding the Fourth Proportional to 131,584.94, 181,576.20 and 77,860.56

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Solution

The fourth proportional to 131,584.94, 181,576.20 and 77,860.56 is: 107,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,584.94 : 181,576.20 = 77,860.56 : x
  2. Step 2: Convert to fraction form
    131,584.94/181,576.20 = 77,860.56/x
  3. Step 3: Cross multiply
    131,584.94x = 181,576.20 × 77,860.56
  4. Step 4: Simplify right side
    131,584.94x = 14,137,624,614.67
  5. Step 5: Solve for x
    x = 14,137,624,614.67/131,584.94
  6. Step 6: Final answer
    x = 107,441.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.