Home / 187,409.27-281,036.57-71,986.32

Finding the Fourth Proportional to 187,409.27, 281,036.57 and 71,986.32

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Solution

The fourth proportional to 187,409.27, 281,036.57 and 71,986.32 is: 107,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,409.27 : 281,036.57 = 71,986.32 : x
  2. Step 2: Convert to fraction form
    187,409.27/281,036.57 = 71,986.32/x
  3. Step 3: Cross multiply
    187,409.27x = 281,036.57 × 71,986.32
  4. Step 4: Simplify right side
    187,409.27x = 20,230,788,459.72
  5. Step 5: Solve for x
    x = 20,230,788,459.72/187,409.27
  6. Step 6: Final answer
    x = 107,949.77

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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.