Home / 95,143.80-131,298.12-54,857.40

Finding the Fourth Proportional to 95,143.80, 131,298.12 and 54,857.40

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Solution

The fourth proportional to 95,143.80, 131,298.12 and 54,857.40 is: 75,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.80 : 131,298.12 = 54,857.40 : x
  2. Step 2: Convert to fraction form
    95,143.80/131,298.12 = 54,857.40/x
  3. Step 3: Cross multiply
    95,143.80x = 131,298.12 × 54,857.40
  4. Step 4: Simplify right side
    95,143.80x = 7,202,673,488.09
  5. Step 5: Solve for x
    x = 7,202,673,488.09/95,143.80
  6. Step 6: Final answer
    x = 75,703.03

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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.