Home / 154,418.86-231,666-49,237.84

Finding the Fourth Proportional to 154,418.86, 231,666 and 49,237.84

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Solution

The fourth proportional to 154,418.86, 231,666 and 49,237.84 is: 73,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,418.86 : 231,666 = 49,237.84 : x
  2. Step 2: Convert to fraction form
    154,418.86/231,666 = 49,237.84/x
  3. Step 3: Cross multiply
    154,418.86x = 231,666 × 49,237.84
  4. Step 4: Simplify right side
    154,418.86x = 11,406,733,441.44
  5. Step 5: Solve for x
    x = 11,406,733,441.44/154,418.86
  6. Step 6: Final answer
    x = 73,868.78

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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.