Home / 129,844.96-194,768.88-45,601.60

Finding the Fourth Proportional to 129,844.96, 194,768.88 and 45,601.60

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Solution

The fourth proportional to 129,844.96, 194,768.88 and 45,601.60 is: 68,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,844.96 : 194,768.88 = 45,601.60 : x
  2. Step 2: Convert to fraction form
    129,844.96/194,768.88 = 45,601.60/x
  3. Step 3: Cross multiply
    129,844.96x = 194,768.88 × 45,601.60
  4. Step 4: Simplify right side
    129,844.96x = 8,881,772,558.21
  5. Step 5: Solve for x
    x = 8,881,772,558.21/129,844.96
  6. Step 6: Final answer
    x = 68,402.91

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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.