Home / 130,642.72-195,917.01-45,230.37

Finding the Fourth Proportional to 130,642.72, 195,917.01 and 45,230.37

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Solution

The fourth proportional to 130,642.72, 195,917.01 and 45,230.37 is: 67,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,642.72 : 195,917.01 = 45,230.37 : x
  2. Step 2: Convert to fraction form
    130,642.72/195,917.01 = 45,230.37/x
  3. Step 3: Cross multiply
    130,642.72x = 195,917.01 × 45,230.37
  4. Step 4: Simplify right side
    130,642.72x = 8,861,398,851.59
  5. Step 5: Solve for x
    x = 8,861,398,851.59/130,642.72
  6. Step 6: Final answer
    x = 67,829.26

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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.