Home / 102,673.38-141,687.75-57,352.05

Finding the Fourth Proportional to 102,673.38, 141,687.75 and 57,352.05

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Solution

The fourth proportional to 102,673.38, 141,687.75 and 57,352.05 is: 79,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,673.38 : 141,687.75 = 57,352.05 : x
  2. Step 2: Convert to fraction form
    102,673.38/141,687.75 = 57,352.05/x
  3. Step 3: Cross multiply
    102,673.38x = 141,687.75 × 57,352.05
  4. Step 4: Simplify right side
    102,673.38x = 8,126,082,922.39
  5. Step 5: Solve for x
    x = 8,126,082,922.39/102,673.38
  6. Step 6: Final answer
    x = 79,144.98

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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.