Home / 129,305.64-193,878.98-50,327.88

Finding the Fourth Proportional to 129,305.64, 193,878.98 and 50,327.88

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Solution

The fourth proportional to 129,305.64, 193,878.98 and 50,327.88 is: 75,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,305.64 : 193,878.98 = 50,327.88 : x
  2. Step 2: Convert to fraction form
    129,305.64/193,878.98 = 50,327.88/x
  3. Step 3: Cross multiply
    129,305.64x = 193,878.98 × 50,327.88
  4. Step 4: Simplify right side
    129,305.64x = 9,757,518,039.96
  5. Step 5: Solve for x
    x = 9,757,518,039.96/129,305.64
  6. Step 6: Final answer
    x = 75,460.89

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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.