Home / 139,444.94-192,435.22-75,782.75

Finding the Fourth Proportional to 139,444.94, 192,435.22 and 75,782.75

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Solution

The fourth proportional to 139,444.94, 192,435.22 and 75,782.75 is: 104,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,444.94 : 192,435.22 = 75,782.75 : x
  2. Step 2: Convert to fraction form
    139,444.94/192,435.22 = 75,782.75/x
  3. Step 3: Cross multiply
    139,444.94x = 192,435.22 × 75,782.75
  4. Step 4: Simplify right side
    139,444.94x = 14,583,269,016.82
  5. Step 5: Solve for x
    x = 14,583,269,016.82/139,444.94
  6. Step 6: Final answer
    x = 104,580.84

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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.