Home / 136,520.88-204,780.24-52,261.44

Finding the Fourth Proportional to 136,520.88, 204,780.24 and 52,261.44

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Solution

The fourth proportional to 136,520.88, 204,780.24 and 52,261.44 is: 78,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,520.88 : 204,780.24 = 52,261.44 : x
  2. Step 2: Convert to fraction form
    136,520.88/204,780.24 = 52,261.44/x
  3. Step 3: Cross multiply
    136,520.88x = 204,780.24 × 52,261.44
  4. Step 4: Simplify right side
    136,520.88x = 10,702,110,225.95
  5. Step 5: Solve for x
    x = 10,702,110,225.95/136,520.88
  6. Step 6: Final answer
    x = 78,391.75

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1.5x scale

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.