Home / 136,149.40-204,234-36,309.19

Finding the Fourth Proportional to 136,149.40, 204,234 and 36,309.19

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Solution

The fourth proportional to 136,149.40, 204,234 and 36,309.19 is: 54,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,149.40 : 204,234 = 36,309.19 : x
  2. Step 2: Convert to fraction form
    136,149.40/204,234 = 36,309.19/x
  3. Step 3: Cross multiply
    136,149.40x = 204,234 × 36,309.19
  4. Step 4: Simplify right side
    136,149.40x = 7,415,571,110.46
  5. Step 5: Solve for x
    x = 7,415,571,110.46/136,149.40
  6. Step 6: Final answer
    x = 54,466.43

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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.