Home / 112,321.94-154,966.96-74,100.48

Finding the Fourth Proportional to 112,321.94, 154,966.96 and 74,100.48

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Solution

The fourth proportional to 112,321.94, 154,966.96 and 74,100.48 is: 102,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,321.94 : 154,966.96 = 74,100.48 : x
  2. Step 2: Convert to fraction form
    112,321.94/154,966.96 = 74,100.48/x
  3. Step 3: Cross multiply
    112,321.94x = 154,966.96 × 74,100.48
  4. Step 4: Simplify right side
    112,321.94x = 11,483,126,120.14
  5. Step 5: Solve for x
    x = 11,483,126,120.14/112,321.94
  6. Step 6: Final answer
    x = 102,234.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.