Home / 135,446.09-203,176.42-56,480.81

Finding the Fourth Proportional to 135,446.09, 203,176.42 and 56,480.81

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Solution

The fourth proportional to 135,446.09, 203,176.42 and 56,480.81 is: 84,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,446.09 : 203,176.42 = 56,480.81 : x
  2. Step 2: Convert to fraction form
    135,446.09/203,176.42 = 56,480.81/x
  3. Step 3: Cross multiply
    135,446.09x = 203,176.42 × 56,480.81
  4. Step 4: Simplify right side
    135,446.09x = 11,475,567,617.42
  5. Step 5: Solve for x
    x = 11,475,567,617.42/135,446.09
  6. Step 6: Final answer
    x = 84,724.25

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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.