Home / 146,371.10-201,992.45-81,842.65

Finding the Fourth Proportional to 146,371.10, 201,992.45 and 81,842.65

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Solution

The fourth proportional to 146,371.10, 201,992.45 and 81,842.65 is: 112,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,371.10 : 201,992.45 = 81,842.65 : x
  2. Step 2: Convert to fraction form
    146,371.10/201,992.45 = 81,842.65/x
  3. Step 3: Cross multiply
    146,371.10x = 201,992.45 × 81,842.65
  4. Step 4: Simplify right side
    146,371.10x = 16,531,596,473.80
  5. Step 5: Solve for x
    x = 16,531,596,473.80/146,371.10
  6. Step 6: Final answer
    x = 112,943.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.