Home / 165,898.13-228,939.14-94,278.20

Finding the Fourth Proportional to 165,898.13, 228,939.14 and 94,278.20

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Solution

The fourth proportional to 165,898.13, 228,939.14 and 94,278.20 is: 130,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,898.13 : 228,939.14 = 94,278.20 : x
  2. Step 2: Convert to fraction form
    165,898.13/228,939.14 = 94,278.20/x
  3. Step 3: Cross multiply
    165,898.13x = 228,939.14 × 94,278.20
  4. Step 4: Simplify right side
    165,898.13x = 21,583,969,119.75
  5. Step 5: Solve for x
    x = 21,583,969,119.75/165,898.13
  6. Step 6: Final answer
    x = 130,103.76

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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.