Home / 128,407.23-192,596.25-49,514.85

Finding the Fourth Proportional to 128,407.23, 192,596.25 and 49,514.85

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Solution

The fourth proportional to 128,407.23, 192,596.25 and 49,514.85 is: 74,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,407.23 : 192,596.25 = 49,514.85 : x
  2. Step 2: Convert to fraction form
    128,407.23/192,596.25 = 49,514.85/x
  3. Step 3: Cross multiply
    128,407.23x = 192,596.25 × 49,514.85
  4. Step 4: Simplify right side
    128,407.23x = 9,536,374,429.31
  5. Step 5: Solve for x
    x = 9,536,374,429.31/128,407.23
  6. Step 6: Final answer
    x = 74,266.65

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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.