Home / 112,204.76-154,790.42-66,857.31

Finding the Fourth Proportional to 112,204.76, 154,790.42 and 66,857.31

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Solution

The fourth proportional to 112,204.76, 154,790.42 and 66,857.31 is: 92,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,204.76 : 154,790.42 = 66,857.31 : x
  2. Step 2: Convert to fraction form
    112,204.76/154,790.42 = 66,857.31/x
  3. Step 3: Cross multiply
    112,204.76x = 154,790.42 × 66,857.31
  4. Step 4: Simplify right side
    112,204.76x = 10,348,870,760.68
  5. Step 5: Solve for x
    x = 10,348,870,760.68/112,204.76
  6. Step 6: Final answer
    x = 92,232.02

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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.