Home / 139,201.35-192,097.88-75,539.15

Finding the Fourth Proportional to 139,201.35, 192,097.88 and 75,539.15

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Solution

The fourth proportional to 139,201.35, 192,097.88 and 75,539.15 is: 104,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,201.35 : 192,097.88 = 75,539.15 : x
  2. Step 2: Convert to fraction form
    139,201.35/192,097.88 = 75,539.15/x
  3. Step 3: Cross multiply
    139,201.35x = 192,097.88 × 75,539.15
  4. Step 4: Simplify right side
    139,201.35x = 14,510,910,642.66
  5. Step 5: Solve for x
    x = 14,510,910,642.66/139,201.35
  6. Step 6: Final answer
    x = 104,244.03

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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.