Home / 119,433.86-164,799.88-68,436.78

Finding the Fourth Proportional to 119,433.86, 164,799.88 and 68,436.78

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Solution

The fourth proportional to 119,433.86, 164,799.88 and 68,436.78 is: 94,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,433.86 : 164,799.88 = 68,436.78 : x
  2. Step 2: Convert to fraction form
    119,433.86/164,799.88 = 68,436.78/x
  3. Step 3: Cross multiply
    119,433.86x = 164,799.88 × 68,436.78
  4. Step 4: Simplify right side
    119,433.86x = 11,278,373,131.59
  5. Step 5: Solve for x
    x = 11,278,373,131.59/119,433.86
  6. Step 6: Final answer
    x = 94,431.96

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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.