Home / 131,319.30-195,729.76-123,845.22

Finding the Fourth Proportional to 131,319.30, 195,729.76 and 123,845.22

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Solution

The fourth proportional to 131,319.30, 195,729.76 and 123,845.22 is: 184,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,319.30 : 195,729.76 = 123,845.22 : x
  2. Step 2: Convert to fraction form
    131,319.30/195,729.76 = 123,845.22/x
  3. Step 3: Cross multiply
    131,319.30x = 195,729.76 × 123,845.22
  4. Step 4: Simplify right side
    131,319.30x = 24,240,194,878.13
  5. Step 5: Solve for x
    x = 24,240,194,878.13/131,319.30
  6. Step 6: Final answer
    x = 184,589.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.