Home / 187,638.04-281,449.23-54,515.62

Finding the Fourth Proportional to 187,638.04, 281,449.23 and 54,515.62

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Solution

The fourth proportional to 187,638.04, 281,449.23 and 54,515.62 is: 81,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.04 : 281,449.23 = 54,515.62 : x
  2. Step 2: Convert to fraction form
    187,638.04/281,449.23 = 54,515.62/x
  3. Step 3: Cross multiply
    187,638.04x = 281,449.23 × 54,515.62
  4. Step 4: Simplify right side
    187,638.04x = 15,343,379,271.97
  5. Step 5: Solve for x
    x = 15,343,379,271.97/187,638.04
  6. Step 6: Final answer
    x = 81,771.16

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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.