Home / 117,786.38-176,699.28-92,484.88

Finding the Fourth Proportional to 117,786.38, 176,699.28 and 92,484.88

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Solution

The fourth proportional to 117,786.38, 176,699.28 and 92,484.88 is: 138,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,786.38 : 176,699.28 = 92,484.88 : x
  2. Step 2: Convert to fraction form
    117,786.38/176,699.28 = 92,484.88/x
  3. Step 3: Cross multiply
    117,786.38x = 176,699.28 × 92,484.88
  4. Step 4: Simplify right side
    117,786.38x = 16,342,010,360.97
  5. Step 5: Solve for x
    x = 16,342,010,360.97/117,786.38
  6. Step 6: Final answer
    x = 138,742.78

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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.