Home / 136,135.79-204,229.65-51,888.90

Finding the Fourth Proportional to 136,135.79, 204,229.65 and 51,888.90

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Solution

The fourth proportional to 136,135.79, 204,229.65 and 51,888.90 is: 77,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,135.79 : 204,229.65 = 51,888.90 : x
  2. Step 2: Convert to fraction form
    136,135.79/204,229.65 = 51,888.90/x
  3. Step 3: Cross multiply
    136,135.79x = 204,229.65 × 51,888.90
  4. Step 4: Simplify right side
    136,135.79x = 10,597,252,408.52
  5. Step 5: Solve for x
    x = 10,597,252,408.52/136,135.79
  6. Step 6: Final answer
    x = 77,843.25

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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.