Home / 187,339.85-281,102.03-87,485.53

Finding the Fourth Proportional to 187,339.85, 281,102.03 and 87,485.53

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Solution

The fourth proportional to 187,339.85, 281,102.03 and 87,485.53 is: 131,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,339.85 : 281,102.03 = 87,485.53 : x
  2. Step 2: Convert to fraction form
    187,339.85/281,102.03 = 87,485.53/x
  3. Step 3: Cross multiply
    187,339.85x = 281,102.03 × 87,485.53
  4. Step 4: Simplify right side
    187,339.85x = 24,592,360,078.63
  5. Step 5: Solve for x
    x = 24,592,360,078.63/187,339.85
  6. Step 6: Final answer
    x = 131,271.38

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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.