Home / 146,837.80-219,965.10-87,497.20

Finding the Fourth Proportional to 146,837.80, 219,965.10 and 87,497.20

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Solution

The fourth proportional to 146,837.80, 219,965.10 and 87,497.20 is: 131,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,837.80 : 219,965.10 = 87,497.20 : x
  2. Step 2: Convert to fraction form
    146,837.80/219,965.10 = 87,497.20/x
  3. Step 3: Cross multiply
    146,837.80x = 219,965.10 × 87,497.20
  4. Step 4: Simplify right side
    146,837.80x = 19,246,330,347.72
  5. Step 5: Solve for x
    x = 19,246,330,347.72/146,837.80
  6. Step 6: Final answer
    x = 131,072.04

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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.