Home / 146,739.30-219,914.55-130,020.90

Finding the Fourth Proportional to 146,739.30, 219,914.55 and 130,020.90

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Solution

The fourth proportional to 146,739.30, 219,914.55 and 130,020.90 is: 194,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739.30 : 219,914.55 = 130,020.90 : x
  2. Step 2: Convert to fraction form
    146,739.30/219,914.55 = 130,020.90/x
  3. Step 3: Cross multiply
    146,739.30x = 219,914.55 × 130,020.90
  4. Step 4: Simplify right side
    146,739.30x = 28,593,487,714.10
  5. Step 5: Solve for x
    x = 28,593,487,714.10/146,739.30
  6. Step 6: Final answer
    x = 194,859.10

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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.