Home / 110,316.76-165,442.16-40,179.67

Finding the Fourth Proportional to 110,316.76, 165,442.16 and 40,179.67

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Solution

The fourth proportional to 110,316.76, 165,442.16 and 40,179.67 is: 60,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,316.76 : 165,442.16 = 40,179.67 : x
  2. Step 2: Convert to fraction form
    110,316.76/165,442.16 = 40,179.67/x
  3. Step 3: Cross multiply
    110,316.76x = 165,442.16 × 40,179.67
  4. Step 4: Simplify right side
    110,316.76x = 6,647,411,191.99
  5. Step 5: Solve for x
    x = 6,647,411,191.99/110,316.76
  6. Step 6: Final answer
    x = 60,257.49

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1.5x scale

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.