Home / 165,484.38-248,226.56-115,661.78

Finding the Fourth Proportional to 165,484.38, 248,226.56 and 115,661.78

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Solution

The fourth proportional to 165,484.38, 248,226.56 and 115,661.78 is: 173,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,484.38 : 248,226.56 = 115,661.78 : x
  2. Step 2: Convert to fraction form
    165,484.38/248,226.56 = 115,661.78/x
  3. Step 3: Cross multiply
    165,484.38x = 248,226.56 × 115,661.78
  4. Step 4: Simplify right side
    165,484.38x = 28,710,326,016.15
  5. Step 5: Solve for x
    x = 28,710,326,016.15/165,484.38
  6. Step 6: Final answer
    x = 173,492.67

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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.