Home / 146,359.38-201,976.14-79,291.38

Finding the Fourth Proportional to 146,359.38, 201,976.14 and 79,291.38

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Solution

The fourth proportional to 146,359.38, 201,976.14 and 79,291.38 is: 109,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,359.38 : 201,976.14 = 79,291.38 : x
  2. Step 2: Convert to fraction form
    146,359.38/201,976.14 = 79,291.38/x
  3. Step 3: Cross multiply
    146,359.38x = 201,976.14 × 79,291.38
  4. Step 4: Simplify right side
    146,359.38x = 16,014,966,867.67
  5. Step 5: Solve for x
    x = 16,014,966,867.67/146,359.38
  6. Step 6: Final answer
    x = 109,422.21

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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.