Home / 102,769.88-141,804.27-57,433.37

Finding the Fourth Proportional to 102,769.88, 141,804.27 and 57,433.37

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Solution

The fourth proportional to 102,769.88, 141,804.27 and 57,433.37 is: 79,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,769.88 : 141,804.27 = 57,433.37 : x
  2. Step 2: Convert to fraction form
    102,769.88/141,804.27 = 57,433.37/x
  3. Step 3: Cross multiply
    102,769.88x = 141,804.27 × 57,433.37
  4. Step 4: Simplify right side
    102,769.88x = 8,144,297,106.49
  5. Step 5: Solve for x
    x = 8,144,297,106.49/102,769.88
  6. Step 6: Final answer
    x = 79,247.90

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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.