Home / 129,326.94-193,998.61-40,583.95

Finding the Fourth Proportional to 129,326.94, 193,998.61 and 40,583.95

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Solution

The fourth proportional to 129,326.94, 193,998.61 and 40,583.95 is: 60,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,326.94 : 193,998.61 = 40,583.95 : x
  2. Step 2: Convert to fraction form
    129,326.94/193,998.61 = 40,583.95/x
  3. Step 3: Cross multiply
    129,326.94x = 193,998.61 × 40,583.95
  4. Step 4: Simplify right side
    129,326.94x = 7,873,229,301.85
  5. Step 5: Solve for x
    x = 7,873,229,301.85/129,326.94
  6. Step 6: Final answer
    x = 60,878.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.