Home / 187,764.57-281,647.40-54,648.09

Finding the Fourth Proportional to 187,764.57, 281,647.40 and 54,648.09

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Solution

The fourth proportional to 187,764.57, 281,647.40 and 54,648.09 is: 81,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,764.57 : 281,647.40 = 54,648.09 : x
  2. Step 2: Convert to fraction form
    187,764.57/281,647.40 = 54,648.09/x
  3. Step 3: Cross multiply
    187,764.57x = 281,647.40 × 54,648.09
  4. Step 4: Simplify right side
    187,764.57x = 15,391,492,190.23
  5. Step 5: Solve for x
    x = 15,391,492,190.23/187,764.57
  6. Step 6: Final answer
    x = 81,972.29

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1.5x scale

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.