Home / 180,872.10-271,405.35-75,701.70

Finding the Fourth Proportional to 180,872.10, 271,405.35 and 75,701.70

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Solution

The fourth proportional to 180,872.10, 271,405.35 and 75,701.70 is: 113,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,872.10 : 271,405.35 = 75,701.70 : x
  2. Step 2: Convert to fraction form
    180,872.10/271,405.35 = 75,701.70/x
  3. Step 3: Cross multiply
    180,872.10x = 271,405.35 × 75,701.70
  4. Step 4: Simplify right side
    180,872.10x = 20,545,846,384.10
  5. Step 5: Solve for x
    x = 20,545,846,384.10/180,872.10
  6. Step 6: Final answer
    x = 113,593.23

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1.5x scale

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.