Home / 187,683.83-281,392.00-87,789.57

Finding the Fourth Proportional to 187,683.83, 281,392.00 and 87,789.57

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Solution

The fourth proportional to 187,683.83, 281,392.00 and 87,789.57 is: 131,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,683.83 : 281,392.00 = 87,789.57 : x
  2. Step 2: Convert to fraction form
    187,683.83/281,392.00 = 87,789.57/x
  3. Step 3: Cross multiply
    187,683.83x = 281,392.00 × 87,789.57
  4. Step 4: Simplify right side
    187,683.83x = 24,703,283,236.48
  5. Step 5: Solve for x
    x = 24,703,283,236.48/187,683.83
  6. Step 6: Final answer
    x = 131,621.80

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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.