Home / 102,847.21-141,942.29-57,527.71

Finding the Fourth Proportional to 102,847.21, 141,942.29 and 57,527.71

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Solution

The fourth proportional to 102,847.21, 141,942.29 and 57,527.71 is: 79,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.21 : 141,942.29 = 57,527.71 : x
  2. Step 2: Convert to fraction form
    102,847.21/141,942.29 = 57,527.71/x
  3. Step 3: Cross multiply
    102,847.21x = 141,942.29 × 57,527.71
  4. Step 4: Simplify right side
    102,847.21x = 8,165,614,576.95
  5. Step 5: Solve for x
    x = 8,165,614,576.95/102,847.21
  6. Step 6: Final answer
    x = 79,395.59

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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.