Home / 136,364.67-204,632.19-52,131.96

Finding the Fourth Proportional to 136,364.67, 204,632.19 and 52,131.96

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Solution

The fourth proportional to 136,364.67, 204,632.19 and 52,131.96 is: 78,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,364.67 : 204,632.19 = 52,131.96 : x
  2. Step 2: Convert to fraction form
    136,364.67/204,632.19 = 52,131.96/x
  3. Step 3: Cross multiply
    136,364.67x = 204,632.19 × 52,131.96
  4. Step 4: Simplify right side
    136,364.67x = 10,667,877,143.79
  5. Step 5: Solve for x
    x = 10,667,877,143.79/136,364.67
  6. Step 6: Final answer
    x = 78,230.51

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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.