Home / 194,625.38-292,102.10-76,379.76

Finding the Fourth Proportional to 194,625.38, 292,102.10 and 76,379.76

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Solution

The fourth proportional to 194,625.38, 292,102.10 and 76,379.76 is: 114,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,625.38 : 292,102.10 = 76,379.76 : x
  2. Step 2: Convert to fraction form
    194,625.38/292,102.10 = 76,379.76/x
  3. Step 3: Cross multiply
    194,625.38x = 292,102.10 × 76,379.76
  4. Step 4: Simplify right side
    194,625.38x = 22,310,688,198.02
  5. Step 5: Solve for x
    x = 22,310,688,198.02/194,625.38
  6. Step 6: Final answer
    x = 114,634.01

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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.