Home / 139,524.85-192,542.02-75,864.25

Finding the Fourth Proportional to 139,524.85, 192,542.02 and 75,864.25

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Solution

The fourth proportional to 139,524.85, 192,542.02 and 75,864.25 is: 104,691.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524.85 : 192,542.02 = 75,864.25 : x
  2. Step 2: Convert to fraction form
    139,524.85/192,542.02 = 75,864.25/x
  3. Step 3: Cross multiply
    139,524.85x = 192,542.02 × 75,864.25
  4. Step 4: Simplify right side
    139,524.85x = 14,607,055,940.79
  5. Step 5: Solve for x
    x = 14,607,055,940.79/139,524.85
  6. Step 6: Final answer
    x = 104,691.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.