Home / 141,202.17-194,694.37-105,329.91

Finding the Fourth Proportional to 141,202.17, 194,694.37 and 105,329.91

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Solution

The fourth proportional to 141,202.17, 194,694.37 and 105,329.91 is: 145,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,202.17 : 194,694.37 = 105,329.91 : x
  2. Step 2: Convert to fraction form
    141,202.17/194,694.37 = 105,329.91/x
  3. Step 3: Cross multiply
    141,202.17x = 194,694.37 × 105,329.91
  4. Step 4: Simplify right side
    141,202.17x = 20,507,140,469.61
  5. Step 5: Solve for x
    x = 20,507,140,469.61/141,202.17
  6. Step 6: Final answer
    x = 145,232.47

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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.