Home / 187,578.26-281,276.67-69,305.30

Finding the Fourth Proportional to 187,578.26, 281,276.67 and 69,305.30

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Solution

The fourth proportional to 187,578.26, 281,276.67 and 69,305.30 is: 103,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,578.26 : 281,276.67 = 69,305.30 : x
  2. Step 2: Convert to fraction form
    187,578.26/281,276.67 = 69,305.30/x
  3. Step 3: Cross multiply
    187,578.26x = 281,276.67 × 69,305.30
  4. Step 4: Simplify right side
    187,578.26x = 19,493,963,997.35
  5. Step 5: Solve for x
    x = 19,493,963,997.35/187,578.26
  6. Step 6: Final answer
    x = 103,924.43

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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.