Home / 139,208.55-192,107.91-75,546.33

Finding the Fourth Proportional to 139,208.55, 192,107.91 and 75,546.33

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Solution

The fourth proportional to 139,208.55, 192,107.91 and 75,546.33 is: 104,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,208.55 : 192,107.91 = 75,546.33 : x
  2. Step 2: Convert to fraction form
    139,208.55/192,107.91 = 75,546.33/x
  3. Step 3: Cross multiply
    139,208.55x = 192,107.91 × 75,546.33
  4. Step 4: Simplify right side
    139,208.55x = 14,513,047,564.47
  5. Step 5: Solve for x
    x = 14,513,047,564.47/139,208.55
  6. Step 6: Final answer
    x = 104,254.00

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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.