Home / 129,571.24-194,386.38-40,824.28

Finding the Fourth Proportional to 129,571.24, 194,386.38 and 40,824.28

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Solution

The fourth proportional to 129,571.24, 194,386.38 and 40,824.28 is: 61,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,571.24 : 194,386.38 = 40,824.28 : x
  2. Step 2: Convert to fraction form
    129,571.24/194,386.38 = 40,824.28/x
  3. Step 3: Cross multiply
    129,571.24x = 194,386.38 × 40,824.28
  4. Step 4: Simplify right side
    129,571.24x = 7,935,684,005.31
  5. Step 5: Solve for x
    x = 7,935,684,005.31/129,571.24
  6. Step 6: Final answer
    x = 61,245.72

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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.