Home / 139,724.34-192,813.54-76,062.36

Finding the Fourth Proportional to 139,724.34, 192,813.54 and 76,062.36

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Solution

The fourth proportional to 139,724.34, 192,813.54 and 76,062.36 is: 104,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,724.34 : 192,813.54 = 76,062.36 : x
  2. Step 2: Convert to fraction form
    139,724.34/192,813.54 = 76,062.36/x
  3. Step 3: Cross multiply
    139,724.34x = 192,813.54 × 76,062.36
  4. Step 4: Simplify right side
    139,724.34x = 14,665,852,892.35
  5. Step 5: Solve for x
    x = 14,665,852,892.35/139,724.34
  6. Step 6: Final answer
    x = 104,962.76

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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.