Home / 102,476.38-141,418.23-57,152.86

Finding the Fourth Proportional to 102,476.38, 141,418.23 and 57,152.86

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Solution

The fourth proportional to 102,476.38, 141,418.23 and 57,152.86 is: 78,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,476.38 : 141,418.23 = 57,152.86 : x
  2. Step 2: Convert to fraction form
    102,476.38/141,418.23 = 57,152.86/x
  3. Step 3: Cross multiply
    102,476.38x = 141,418.23 × 57,152.86
  4. Step 4: Simplify right side
    102,476.38x = 8,082,456,300.64
  5. Step 5: Solve for x
    x = 8,082,456,300.64/102,476.38
  6. Step 6: Final answer
    x = 78,871.41

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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.