Home / 129,714.72-178,993.20-95,741.76

Finding the Fourth Proportional to 129,714.72, 178,993.20 and 95,741.76

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Solution

The fourth proportional to 129,714.72, 178,993.20 and 95,741.76 is: 132,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714.72 : 178,993.20 = 95,741.76 : x
  2. Step 2: Convert to fraction form
    129,714.72/178,993.20 = 95,741.76/x
  3. Step 3: Cross multiply
    129,714.72x = 178,993.20 × 95,741.76
  4. Step 4: Simplify right side
    129,714.72x = 17,137,123,996.03
  5. Step 5: Solve for x
    x = 17,137,123,996.03/129,714.72
  6. Step 6: Final answer
    x = 132,113.95

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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.