Home / 135,366.08-202,993.20-51,111.86

Finding the Fourth Proportional to 135,366.08, 202,993.20 and 51,111.86

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Solution

The fourth proportional to 135,366.08, 202,993.20 and 51,111.86 is: 76,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,366.08 : 202,993.20 = 51,111.86 : x
  2. Step 2: Convert to fraction form
    135,366.08/202,993.20 = 51,111.86/x
  3. Step 3: Cross multiply
    135,366.08x = 202,993.20 × 51,111.86
  4. Step 4: Simplify right side
    135,366.08x = 10,375,360,019.35
  5. Step 5: Solve for x
    x = 10,375,360,019.35/135,366.08
  6. Step 6: Final answer
    x = 76,646.68

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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.