Home / 139,253.47-192,169.61-75,591.26

Finding the Fourth Proportional to 139,253.47, 192,169.61 and 75,591.26

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Solution

The fourth proportional to 139,253.47, 192,169.61 and 75,591.26 is: 104,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,253.47 : 192,169.61 = 75,591.26 : x
  2. Step 2: Convert to fraction form
    139,253.47/192,169.61 = 75,591.26/x
  3. Step 3: Cross multiply
    139,253.47x = 192,169.61 × 75,591.26
  4. Step 4: Simplify right side
    139,253.47x = 14,526,342,953.61
  5. Step 5: Solve for x
    x = 14,526,342,953.61/139,253.47
  6. Step 6: Final answer
    x = 104,315.84

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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.