Home / 130,358.43-195,558.83-40,380.13

Finding the Fourth Proportional to 130,358.43, 195,558.83 and 40,380.13

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Solution

The fourth proportional to 130,358.43, 195,558.83 and 40,380.13 is: 60,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,358.43 : 195,558.83 = 40,380.13 : x
  2. Step 2: Convert to fraction form
    130,358.43/195,558.83 = 40,380.13/x
  3. Step 3: Cross multiply
    130,358.43x = 195,558.83 × 40,380.13
  4. Step 4: Simplify right side
    130,358.43x = 7,896,690,978.05
  5. Step 5: Solve for x
    x = 7,896,690,978.05/130,358.43
  6. Step 6: Final answer
    x = 60,576.76

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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.