Home / 150,154.70-207,211.68-82,171.44

Finding the Fourth Proportional to 150,154.70, 207,211.68 and 82,171.44

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Solution

The fourth proportional to 150,154.70, 207,211.68 and 82,171.44 is: 113,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,154.70 : 207,211.68 = 82,171.44 : x
  2. Step 2: Convert to fraction form
    150,154.70/207,211.68 = 82,171.44/x
  3. Step 3: Cross multiply
    150,154.70x = 207,211.68 × 82,171.44
  4. Step 4: Simplify right side
    150,154.70x = 17,026,882,130.42
  5. Step 5: Solve for x
    x = 17,026,882,130.42/150,154.70
  6. Step 6: Final answer
    x = 113,395.60

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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.