Home / 136,040.40-204,005.93-51,771.65

Finding the Fourth Proportional to 136,040.40, 204,005.93 and 51,771.65

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Solution

The fourth proportional to 136,040.40, 204,005.93 and 51,771.65 is: 77,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,040.40 : 204,005.93 = 51,771.65 : x
  2. Step 2: Convert to fraction form
    136,040.40/204,005.93 = 51,771.65/x
  3. Step 3: Cross multiply
    136,040.40x = 204,005.93 × 51,771.65
  4. Step 4: Simplify right side
    136,040.40x = 10,561,722,327.00
  5. Step 5: Solve for x
    x = 10,561,722,327.00/136,040.40
  6. Step 6: Final answer
    x = 77,636.66

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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.