Home / 130,347.48-195,659.48-115,451.31

Finding the Fourth Proportional to 130,347.48, 195,659.48 and 115,451.31

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Solution

The fourth proportional to 130,347.48, 195,659.48 and 115,451.31 is: 173,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,347.48 : 195,659.48 = 115,451.31 : x
  2. Step 2: Convert to fraction form
    130,347.48/195,659.48 = 115,451.31/x
  3. Step 3: Cross multiply
    130,347.48x = 195,659.48 × 115,451.31
  4. Step 4: Simplify right side
    130,347.48x = 22,589,143,279.92
  5. Step 5: Solve for x
    x = 22,589,143,279.92/130,347.48
  6. Step 6: Final answer
    x = 173,299.42

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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.