Home / 187,728.36-281,589.98-45,574.73

Finding the Fourth Proportional to 187,728.36, 281,589.98 and 45,574.73

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Solution

The fourth proportional to 187,728.36, 281,589.98 and 45,574.73 is: 68,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,728.36 : 281,589.98 = 45,574.73 : x
  2. Step 2: Convert to fraction form
    187,728.36/281,589.98 = 45,574.73/x
  3. Step 3: Cross multiply
    187,728.36x = 281,589.98 × 45,574.73
  4. Step 4: Simplify right side
    187,728.36x = 12,833,387,309.21
  5. Step 5: Solve for x
    x = 12,833,387,309.21/187,728.36
  6. Step 6: Final answer
    x = 68,361.47

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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.