Home / 165,486.28-248,244.06-47,155

Finding the Fourth Proportional to 165,486.28, 248,244.06 and 47,155

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Solution

The fourth proportional to 165,486.28, 248,244.06 and 47,155 is: 70,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,486.28 : 248,244.06 = 47,155 : x
  2. Step 2: Convert to fraction form
    165,486.28/248,244.06 = 47,155/x
  3. Step 3: Cross multiply
    165,486.28x = 248,244.06 × 47,155
  4. Step 4: Simplify right side
    165,486.28x = 11,705,948,649.30
  5. Step 5: Solve for x
    x = 11,705,948,649.30/165,486.28
  6. Step 6: Final answer
    x = 70,736.67

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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.