Home / 129,936.60-179,310.78-73,349.10

Finding the Fourth Proportional to 129,936.60, 179,310.78 and 73,349.10

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Solution

The fourth proportional to 129,936.60, 179,310.78 and 73,349.10 is: 101,220.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,936.60 : 179,310.78 = 73,349.10 : x
  2. Step 2: Convert to fraction form
    129,936.60/179,310.78 = 73,349.10/x
  3. Step 3: Cross multiply
    129,936.60x = 179,310.78 × 73,349.10
  4. Step 4: Simplify right side
    129,936.60x = 13,152,284,333.30
  5. Step 5: Solve for x
    x = 13,152,284,333.30/129,936.60
  6. Step 6: Final answer
    x = 101,220.78

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1.5x scale

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.