Home / 185,137.03-255,297.99-158,368.15

Finding the Fourth Proportional to 185,137.03, 255,297.99 and 158,368.15

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Solution

The fourth proportional to 185,137.03, 255,297.99 and 158,368.15 is: 218,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,137.03 : 255,297.99 = 158,368.15 : x
  2. Step 2: Convert to fraction form
    185,137.03/255,297.99 = 158,368.15/x
  3. Step 3: Cross multiply
    185,137.03x = 255,297.99 × 158,368.15
  4. Step 4: Simplify right side
    185,137.03x = 40,431,070,375.02
  5. Step 5: Solve for x
    x = 40,431,070,375.02/185,137.03
  6. Step 6: Final answer
    x = 218,384.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.