Home / 130,511.33-195,766.99-64,081.20

Finding the Fourth Proportional to 130,511.33, 195,766.99 and 64,081.20

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Solution

The fourth proportional to 130,511.33, 195,766.99 and 64,081.20 is: 96,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,511.33 : 195,766.99 = 64,081.20 : x
  2. Step 2: Convert to fraction form
    130,511.33/195,766.99 = 64,081.20/x
  3. Step 3: Cross multiply
    130,511.33x = 195,766.99 × 64,081.20
  4. Step 4: Simplify right side
    130,511.33x = 12,544,983,479.39
  5. Step 5: Solve for x
    x = 12,544,983,479.39/130,511.33
  6. Step 6: Final answer
    x = 96,121.80

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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.