Home / 187,560.78-281,282.40-54,450.24

Finding the Fourth Proportional to 187,560.78, 281,282.40 and 54,450.24

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Solution

The fourth proportional to 187,560.78, 281,282.40 and 54,450.24 is: 81,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,560.78 : 281,282.40 = 54,450.24 : x
  2. Step 2: Convert to fraction form
    187,560.78/281,282.40 = 54,450.24/x
  3. Step 3: Cross multiply
    187,560.78x = 281,282.40 × 54,450.24
  4. Step 4: Simplify right side
    187,560.78x = 15,315,894,187.78
  5. Step 5: Solve for x
    x = 15,315,894,187.78/187,560.78
  6. Step 6: Final answer
    x = 81,658.30

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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.