Home / 130,287.26-195,464.58-76,297.54

Finding the Fourth Proportional to 130,287.26, 195,464.58 and 76,297.54

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Solution

The fourth proportional to 130,287.26, 195,464.58 and 76,297.54 is: 114,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,287.26 : 195,464.58 = 76,297.54 : x
  2. Step 2: Convert to fraction form
    130,287.26/195,464.58 = 76,297.54/x
  3. Step 3: Cross multiply
    130,287.26x = 195,464.58 × 76,297.54
  4. Step 4: Simplify right side
    130,287.26x = 14,913,466,611.13
  5. Step 5: Solve for x
    x = 14,913,466,611.13/130,287.26
  6. Step 6: Final answer
    x = 114,466.04

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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.