Home / 187,408.46-281,028.15-92,601.65

Finding the Fourth Proportional to 187,408.46, 281,028.15 and 92,601.65

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Solution

The fourth proportional to 187,408.46, 281,028.15 and 92,601.65 is: 138,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,408.46 : 281,028.15 = 92,601.65 : x
  2. Step 2: Convert to fraction form
    187,408.46/281,028.15 = 92,601.65/x
  3. Step 3: Cross multiply
    187,408.46x = 281,028.15 × 92,601.65
  4. Step 4: Simplify right side
    187,408.46x = 26,023,668,981.31
  5. Step 5: Solve for x
    x = 26,023,668,981.31/187,408.46
  6. Step 6: Final answer
    x = 138,860.70

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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.