Home / 146,743.60-219,856.20-130,154.80

Finding the Fourth Proportional to 146,743.60, 219,856.20 and 130,154.80

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Solution

The fourth proportional to 146,743.60, 219,856.20 and 130,154.80 is: 195,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,743.60 : 219,856.20 = 130,154.80 : x
  2. Step 2: Convert to fraction form
    146,743.60/219,856.20 = 130,154.80/x
  3. Step 3: Cross multiply
    146,743.60x = 219,856.20 × 130,154.80
  4. Step 4: Simplify right side
    146,743.60x = 28,615,339,739.76
  5. Step 5: Solve for x
    x = 28,615,339,739.76/146,743.60
  6. Step 6: Final answer
    x = 195,002.30

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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.