Home / 99,678.46-149,579.94-40,514.11

Finding the Fourth Proportional to 99,678.46, 149,579.94 and 40,514.11

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Solution

The fourth proportional to 99,678.46, 149,579.94 and 40,514.11 is: 60,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,678.46 : 149,579.94 = 40,514.11 : x
  2. Step 2: Convert to fraction form
    99,678.46/149,579.94 = 40,514.11/x
  3. Step 3: Cross multiply
    99,678.46x = 149,579.94 × 40,514.11
  4. Step 4: Simplify right side
    99,678.46x = 6,060,098,142.95
  5. Step 5: Solve for x
    x = 6,060,098,142.95/99,678.46
  6. Step 6: Final answer
    x = 60,796.47

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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.