Home / 139,633.20-192,694.66-75,971.46

Finding the Fourth Proportional to 139,633.20, 192,694.66 and 75,971.46

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Solution

The fourth proportional to 139,633.20, 192,694.66 and 75,971.46 is: 104,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,633.20 : 192,694.66 = 75,971.46 : x
  2. Step 2: Convert to fraction form
    139,633.20/192,694.66 = 75,971.46/x
  3. Step 3: Cross multiply
    139,633.20x = 192,694.66 × 75,971.46
  4. Step 4: Simplify right side
    139,633.20x = 14,639,294,654.40
  5. Step 5: Solve for x
    x = 14,639,294,654.40/139,633.20
  6. Step 6: Final answer
    x = 104,841.07

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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.