Home / 146,495.80-219,743.70-72,614.20

Finding the Fourth Proportional to 146,495.80, 219,743.70 and 72,614.20

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Solution

The fourth proportional to 146,495.80, 219,743.70 and 72,614.20 is: 108,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,495.80 : 219,743.70 = 72,614.20 : x
  2. Step 2: Convert to fraction form
    146,495.80/219,743.70 = 72,614.20/x
  3. Step 3: Cross multiply
    146,495.80x = 219,743.70 × 72,614.20
  4. Step 4: Simplify right side
    146,495.80x = 15,956,512,980.54
  5. Step 5: Solve for x
    x = 15,956,512,980.54/146,495.80
  6. Step 6: Final answer
    x = 108,921.30

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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.