Home / 112,134.63-168,201.92-76,967.67

Finding the Fourth Proportional to 112,134.63, 168,201.92 and 76,967.67

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Solution

The fourth proportional to 112,134.63, 168,201.92 and 76,967.67 is: 115,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134.63 : 168,201.92 = 76,967.67 : x
  2. Step 2: Convert to fraction form
    112,134.63/168,201.92 = 76,967.67/x
  3. Step 3: Cross multiply
    112,134.63x = 168,201.92 × 76,967.67
  4. Step 4: Simplify right side
    112,134.63x = 12,946,109,487.09
  5. Step 5: Solve for x
    x = 12,946,109,487.09/112,134.63
  6. Step 6: Final answer
    x = 115,451.48

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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.