Home / 187,423.80-281,135.70-169,344.60

Finding the Fourth Proportional to 187,423.80, 281,135.70 and 169,344.60

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Solution

The fourth proportional to 187,423.80, 281,135.70 and 169,344.60 is: 254,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,423.80 : 281,135.70 = 169,344.60 : x
  2. Step 2: Convert to fraction form
    187,423.80/281,135.70 = 169,344.60/x
  3. Step 3: Cross multiply
    187,423.80x = 281,135.70 × 169,344.60
  4. Step 4: Simplify right side
    187,423.80x = 47,608,812,662.22
  5. Step 5: Solve for x
    x = 47,608,812,662.22/187,423.80
  6. Step 6: Final answer
    x = 254,016.90

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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.