Home / 129,326.45-193,928.04-45,076.32

Finding the Fourth Proportional to 129,326.45, 193,928.04 and 45,076.32

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Solution

The fourth proportional to 129,326.45, 193,928.04 and 45,076.32 is: 67,593.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,326.45 : 193,928.04 = 45,076.32 : x
  2. Step 2: Convert to fraction form
    129,326.45/193,928.04 = 45,076.32/x
  3. Step 3: Cross multiply
    129,326.45x = 193,928.04 × 45,076.32
  4. Step 4: Simplify right side
    129,326.45x = 8,741,562,388.01
  5. Step 5: Solve for x
    x = 8,741,562,388.01/129,326.45
  6. Step 6: Final answer
    x = 67,593.00

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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.