Home / 130,399.86-195,636.90-41,660.28

Finding the Fourth Proportional to 130,399.86, 195,636.90 and 41,660.28

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Solution

The fourth proportional to 130,399.86, 195,636.90 and 41,660.28 is: 62,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,399.86 : 195,636.90 = 41,660.28 : x
  2. Step 2: Convert to fraction form
    130,399.86/195,636.90 = 41,660.28/x
  3. Step 3: Cross multiply
    130,399.86x = 195,636.90 × 41,660.28
  4. Step 4: Simplify right side
    130,399.86x = 8,150,288,032.33
  5. Step 5: Solve for x
    x = 8,150,288,032.33/130,399.86
  6. Step 6: Final answer
    x = 62,502.28

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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.