Home / 130,918.89-196,389.57-36,149.07

Finding the Fourth Proportional to 130,918.89, 196,389.57 and 36,149.07

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Solution

The fourth proportional to 130,918.89, 196,389.57 and 36,149.07 is: 54,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,918.89 : 196,389.57 = 36,149.07 : x
  2. Step 2: Convert to fraction form
    130,918.89/196,389.57 = 36,149.07/x
  3. Step 3: Cross multiply
    130,918.89x = 196,389.57 × 36,149.07
  4. Step 4: Simplify right side
    130,918.89x = 7,099,300,313.20
  5. Step 5: Solve for x
    x = 7,099,300,313.20/130,918.89
  6. Step 6: Final answer
    x = 54,226.71

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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.