Home / 130,488.10-195,739.59-36,986.50

Finding the Fourth Proportional to 130,488.10, 195,739.59 and 36,986.50

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Solution

The fourth proportional to 130,488.10, 195,739.59 and 36,986.50 is: 55,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,488.10 : 195,739.59 = 36,986.50 : x
  2. Step 2: Convert to fraction form
    130,488.10/195,739.59 = 36,986.50/x
  3. Step 3: Cross multiply
    130,488.10x = 195,739.59 × 36,986.50
  4. Step 4: Simplify right side
    130,488.10x = 7,239,722,345.54
  5. Step 5: Solve for x
    x = 7,239,722,345.54/130,488.10
  6. Step 6: Final answer
    x = 55,481.86

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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.