Home / 102,504.28-141,441.76-57,176.96

Finding the Fourth Proportional to 102,504.28, 141,441.76 and 57,176.96

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Solution

The fourth proportional to 102,504.28, 141,441.76 and 57,176.96 is: 78,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504.28 : 141,441.76 = 57,176.96 : x
  2. Step 2: Convert to fraction form
    102,504.28/141,441.76 = 57,176.96/x
  3. Step 3: Cross multiply
    102,504.28x = 141,441.76 × 57,176.96
  4. Step 4: Simplify right side
    102,504.28x = 8,087,209,853.85
  5. Step 5: Solve for x
    x = 8,087,209,853.85/102,504.28
  6. Step 6: Final answer
    x = 78,896.31

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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.