Home / 253,169.28-379,530.42-95,508.45

Finding the Fourth Proportional to 253,169.28, 379,530.42 and 95,508.45

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Solution

The fourth proportional to 253,169.28, 379,530.42 and 95,508.45 is: 143,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,169.28 : 379,530.42 = 95,508.45 : x
  2. Step 2: Convert to fraction form
    253,169.28/379,530.42 = 95,508.45/x
  3. Step 3: Cross multiply
    253,169.28x = 379,530.42 × 95,508.45
  4. Step 4: Simplify right side
    253,169.28x = 36,248,362,142.05
  5. Step 5: Solve for x
    x = 36,248,362,142.05/253,169.28
  6. Step 6: Final answer
    x = 143,178.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.