Home / 135,247.12-186,800.78-101,403.29

Finding the Fourth Proportional to 135,247.12, 186,800.78 and 101,403.29

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Solution

The fourth proportional to 135,247.12, 186,800.78 and 101,403.29 is: 140,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,247.12 : 186,800.78 = 101,403.29 : x
  2. Step 2: Convert to fraction form
    135,247.12/186,800.78 = 101,403.29/x
  3. Step 3: Cross multiply
    135,247.12x = 186,800.78 × 101,403.29
  4. Step 4: Simplify right side
    135,247.12x = 18,942,214,387.08
  5. Step 5: Solve for x
    x = 18,942,214,387.08/135,247.12
  6. Step 6: Final answer
    x = 140,056.33

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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.