Home / 105,418.76-158,149.29-38,859.23

Finding the Fourth Proportional to 105,418.76, 158,149.29 and 38,859.23

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Solution

The fourth proportional to 105,418.76, 158,149.29 and 38,859.23 is: 58,296.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,418.76 : 158,149.29 = 38,859.23 : x
  2. Step 2: Convert to fraction form
    105,418.76/158,149.29 = 38,859.23/x
  3. Step 3: Cross multiply
    105,418.76x = 158,149.29 × 38,859.23
  4. Step 4: Simplify right side
    105,418.76x = 6,145,558,843.70
  5. Step 5: Solve for x
    x = 6,145,558,843.70/105,418.76
  6. Step 6: Final answer
    x = 58,296.64

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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.