Home / 135,364.08-202,990.20-51,109.86

Finding the Fourth Proportional to 135,364.08, 202,990.20 and 51,109.86

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Solution

The fourth proportional to 135,364.08, 202,990.20 and 51,109.86 is: 76,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,364.08 : 202,990.20 = 51,109.86 : x
  2. Step 2: Convert to fraction form
    135,364.08/202,990.20 = 51,109.86/x
  3. Step 3: Cross multiply
    135,364.08x = 202,990.20 × 51,109.86
  4. Step 4: Simplify right side
    135,364.08x = 10,374,800,703.37
  5. Step 5: Solve for x
    x = 10,374,800,703.37/135,364.08
  6. Step 6: Final answer
    x = 76,643.68

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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.