Home / 114,982.20-158,703.30-76,743.72

Finding the Fourth Proportional to 114,982.20, 158,703.30 and 76,743.72

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Solution

The fourth proportional to 114,982.20, 158,703.30 and 76,743.72 is: 105,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,982.20 : 158,703.30 = 76,743.72 : x
  2. Step 2: Convert to fraction form
    114,982.20/158,703.30 = 76,743.72/x
  3. Step 3: Cross multiply
    114,982.20x = 158,703.30 × 76,743.72
  4. Step 4: Simplify right side
    114,982.20x = 12,179,481,618.28
  5. Step 5: Solve for x
    x = 12,179,481,618.28/114,982.20
  6. Step 6: Final answer
    x = 105,924.93

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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.