Home / 146,404.20-219,606.30-130,657.80

Finding the Fourth Proportional to 146,404.20, 219,606.30 and 130,657.80

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Solution

The fourth proportional to 146,404.20, 219,606.30 and 130,657.80 is: 195,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,404.20 : 219,606.30 = 130,657.80 : x
  2. Step 2: Convert to fraction form
    146,404.20/219,606.30 = 130,657.80/x
  3. Step 3: Cross multiply
    146,404.20x = 219,606.30 × 130,657.80
  4. Step 4: Simplify right side
    146,404.20x = 28,693,276,024.14
  5. Step 5: Solve for x
    x = 28,693,276,024.14/146,404.20
  6. Step 6: Final answer
    x = 195,986.70

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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.