Home / 139,241.24-192,153.06-75,579.02

Finding the Fourth Proportional to 139,241.24, 192,153.06 and 75,579.02

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Solution

The fourth proportional to 139,241.24, 192,153.06 and 75,579.02 is: 104,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,241.24 : 192,153.06 = 75,579.02 : x
  2. Step 2: Convert to fraction form
    139,241.24/192,153.06 = 75,579.02/x
  3. Step 3: Cross multiply
    139,241.24x = 192,153.06 × 75,579.02
  4. Step 4: Simplify right side
    139,241.24x = 14,522,739,004.04
  5. Step 5: Solve for x
    x = 14,522,739,004.04/139,241.24
  6. Step 6: Final answer
    x = 104,299.13

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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.