Home / 139,350.04-192,304.06-75,687.84

Finding the Fourth Proportional to 139,350.04, 192,304.06 and 75,687.84

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Solution

The fourth proportional to 139,350.04, 192,304.06 and 75,687.84 is: 104,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,350.04 : 192,304.06 = 75,687.84 : x
  2. Step 2: Convert to fraction form
    139,350.04/192,304.06 = 75,687.84/x
  3. Step 3: Cross multiply
    139,350.04x = 192,304.06 × 75,687.84
  4. Step 4: Simplify right side
    139,350.04x = 14,555,078,924.63
  5. Step 5: Solve for x
    x = 14,555,078,924.63/139,350.04
  6. Step 6: Final answer
    x = 104,449.76

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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.