Home / 189,380.33-283,996.38-70,987.10

Finding the Fourth Proportional to 189,380.33, 283,996.38 and 70,987.10

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Solution

The fourth proportional to 189,380.33, 283,996.38 and 70,987.10 is: 106,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,380.33 : 283,996.38 = 70,987.10 : x
  2. Step 2: Convert to fraction form
    189,380.33/283,996.38 = 70,987.10/x
  3. Step 3: Cross multiply
    189,380.33x = 283,996.38 × 70,987.10
  4. Step 4: Simplify right side
    189,380.33x = 20,160,079,426.70
  5. Step 5: Solve for x
    x = 20,160,079,426.70/189,380.33
  6. Step 6: Final answer
    x = 106,452.87

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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.