Home / 139,254.80-192,171.08-75,592.04

Finding the Fourth Proportional to 139,254.80, 192,171.08 and 75,592.04

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Solution

The fourth proportional to 139,254.80, 192,171.08 and 75,592.04 is: 104,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,254.80 : 192,171.08 = 75,592.04 : x
  2. Step 2: Convert to fraction form
    139,254.80/192,171.08 = 75,592.04/x
  3. Step 3: Cross multiply
    139,254.80x = 192,171.08 × 75,592.04
  4. Step 4: Simplify right side
    139,254.80x = 14,526,603,194.33
  5. Step 5: Solve for x
    x = 14,526,603,194.33/139,254.80
  6. Step 6: Final answer
    x = 104,316.72

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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.