Home / 140,313.13-193,634.97-76,655.04

Finding the Fourth Proportional to 140,313.13, 193,634.97 and 76,655.04

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Solution

The fourth proportional to 140,313.13, 193,634.97 and 76,655.04 is: 105,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,313.13 : 193,634.97 = 76,655.04 : x
  2. Step 2: Convert to fraction form
    140,313.13/193,634.97 = 76,655.04/x
  3. Step 3: Cross multiply
    140,313.13x = 193,634.97 × 76,655.04
  4. Step 4: Simplify right side
    140,313.13x = 14,843,096,370.75
  5. Step 5: Solve for x
    x = 14,843,096,370.75/140,313.13
  6. Step 6: Final answer
    x = 105,785.51

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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.