Home / 187,465.20-281,189.60-54,342.56

Finding the Fourth Proportional to 187,465.20, 281,189.60 and 54,342.56

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Solution

The fourth proportional to 187,465.20, 281,189.60 and 54,342.56 is: 81,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,465.20 : 281,189.60 = 54,342.56 : x
  2. Step 2: Convert to fraction form
    187,465.20/281,189.60 = 54,342.56/x
  3. Step 3: Cross multiply
    187,465.20x = 281,189.60 × 54,342.56
  4. Step 4: Simplify right side
    187,465.20x = 15,280,562,709.38
  5. Step 5: Solve for x
    x = 15,280,562,709.38/187,465.20
  6. Step 6: Final answer
    x = 81,511.46

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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.