Home / 139,497.20-192,501.96-75,833.36

Finding the Fourth Proportional to 139,497.20, 192,501.96 and 75,833.36

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Solution

The fourth proportional to 139,497.20, 192,501.96 and 75,833.36 is: 104,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,497.20 : 192,501.96 = 75,833.36 : x
  2. Step 2: Convert to fraction form
    139,497.20/192,501.96 = 75,833.36/x
  3. Step 3: Cross multiply
    139,497.20x = 192,501.96 × 75,833.36
  4. Step 4: Simplify right side
    139,497.20x = 14,598,070,433.39
  5. Step 5: Solve for x
    x = 14,598,070,433.39/139,497.20
  6. Step 6: Final answer
    x = 104,647.77

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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.