Home / 112,134.26-168,201.36-76,967.30

Finding the Fourth Proportional to 112,134.26, 168,201.36 and 76,967.30

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Solution

The fourth proportional to 112,134.26, 168,201.36 and 76,967.30 is: 115,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134.26 : 168,201.36 = 76,967.30 : x
  2. Step 2: Convert to fraction form
    112,134.26/168,201.36 = 76,967.30/x
  3. Step 3: Cross multiply
    112,134.26x = 168,201.36 × 76,967.30
  4. Step 4: Simplify right side
    112,134.26x = 12,946,003,694.52
  5. Step 5: Solve for x
    x = 12,946,003,694.52/112,134.26
  6. Step 6: Final answer
    x = 115,450.93

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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.