Home / 187,477.31-281,257.27-54,363.12

Finding the Fourth Proportional to 187,477.31, 281,257.27 and 54,363.12

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Solution

The fourth proportional to 187,477.31, 281,257.27 and 54,363.12 is: 81,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,477.31 : 281,257.27 = 54,363.12 : x
  2. Step 2: Convert to fraction form
    187,477.31/281,257.27 = 54,363.12/x
  3. Step 3: Cross multiply
    187,477.31x = 281,257.27 × 54,363.12
  4. Step 4: Simplify right side
    187,477.31x = 15,290,022,583.97
  5. Step 5: Solve for x
    x = 15,290,022,583.97/187,477.31
  6. Step 6: Final answer
    x = 81,556.66

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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.