Home / 185,319.94-255,741.96-100,436.98

Finding the Fourth Proportional to 185,319.94, 255,741.96 and 100,436.98

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Solution

The fourth proportional to 185,319.94, 255,741.96 and 100,436.98 is: 138,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,319.94 : 255,741.96 = 100,436.98 : x
  2. Step 2: Convert to fraction form
    185,319.94/255,741.96 = 100,436.98/x
  3. Step 3: Cross multiply
    185,319.94x = 255,741.96 × 100,436.98
  4. Step 4: Simplify right side
    185,319.94x = 25,685,950,121.68
  5. Step 5: Solve for x
    x = 25,685,950,121.68/185,319.94
  6. Step 6: Final answer
    x = 138,603.27

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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.