Home / 146,953.83-220,493.15-80,316.09

Finding the Fourth Proportional to 146,953.83, 220,493.15 and 80,316.09

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Solution

The fourth proportional to 146,953.83, 220,493.15 and 80,316.09 is: 120,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,953.83 : 220,493.15 = 80,316.09 : x
  2. Step 2: Convert to fraction form
    146,953.83/220,493.15 = 80,316.09/x
  3. Step 3: Cross multiply
    146,953.83x = 220,493.15 × 80,316.09
  4. Step 4: Simplify right side
    146,953.83x = 17,709,147,278.20
  5. Step 5: Solve for x
    x = 17,709,147,278.20/146,953.83
  6. Step 6: Final answer
    x = 120,508.24

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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.