Home / 139,289.44-192,214.08-75,625.84

Finding the Fourth Proportional to 139,289.44, 192,214.08 and 75,625.84

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Solution

The fourth proportional to 139,289.44, 192,214.08 and 75,625.84 is: 104,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,289.44 : 192,214.08 = 75,625.84 : x
  2. Step 2: Convert to fraction form
    139,289.44/192,214.08 = 75,625.84/x
  3. Step 3: Cross multiply
    139,289.44x = 192,214.08 × 75,625.84
  4. Step 4: Simplify right side
    139,289.44x = 14,536,351,259.83
  5. Step 5: Solve for x
    x = 14,536,351,259.83/139,289.44
  6. Step 6: Final answer
    x = 104,360.76

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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.