Home / 129,332.94-194,007.62-40,589.96

Finding the Fourth Proportional to 129,332.94, 194,007.62 and 40,589.96

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Solution

The fourth proportional to 129,332.94, 194,007.62 and 40,589.96 is: 60,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,332.94 : 194,007.62 = 40,589.96 : x
  2. Step 2: Convert to fraction form
    129,332.94/194,007.62 = 40,589.96/x
  3. Step 3: Cross multiply
    129,332.94x = 194,007.62 × 40,589.96
  4. Step 4: Simplify right side
    129,332.94x = 7,874,760,362.51
  5. Step 5: Solve for x
    x = 7,874,760,362.51/129,332.94
  6. Step 6: Final answer
    x = 60,887.51

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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.