Home / 146,461.20-219,497.40-76,321.68

Finding the Fourth Proportional to 146,461.20, 219,497.40 and 76,321.68

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Solution

The fourth proportional to 146,461.20, 219,497.40 and 76,321.68 is: 114,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,461.20 : 219,497.40 = 76,321.68 : x
  2. Step 2: Convert to fraction form
    146,461.20/219,497.40 = 76,321.68/x
  3. Step 3: Cross multiply
    146,461.20x = 219,497.40 × 76,321.68
  4. Step 4: Simplify right side
    146,461.20x = 16,752,410,323.63
  5. Step 5: Solve for x
    x = 16,752,410,323.63/146,461.20
  6. Step 6: Final answer
    x = 114,381.22

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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.