Home / 187,450.46-281,176.77-76,642.46

Finding the Fourth Proportional to 187,450.46, 281,176.77 and 76,642.46

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Solution

The fourth proportional to 187,450.46, 281,176.77 and 76,642.46 is: 114,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,450.46 : 281,176.77 = 76,642.46 : x
  2. Step 2: Convert to fraction form
    187,450.46/281,176.77 = 76,642.46/x
  3. Step 3: Cross multiply
    187,450.46x = 281,176.77 × 76,642.46
  4. Step 4: Simplify right side
    187,450.46x = 21,550,079,347.65
  5. Step 5: Solve for x
    x = 21,550,079,347.65/187,450.46
  6. Step 6: Final answer
    x = 114,964.13

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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.