Home / 190,040.58-284,968.59-71,721.12

Finding the Fourth Proportional to 190,040.58, 284,968.59 and 71,721.12

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Solution

The fourth proportional to 190,040.58, 284,968.59 and 71,721.12 is: 107,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040.58 : 284,968.59 = 71,721.12 : x
  2. Step 2: Convert to fraction form
    190,040.58/284,968.59 = 71,721.12/x
  3. Step 3: Cross multiply
    190,040.58x = 284,968.59 × 71,721.12
  4. Step 4: Simplify right side
    190,040.58x = 20,438,266,439.62
  5. Step 5: Solve for x
    x = 20,438,266,439.62/190,040.58
  6. Step 6: Final answer
    x = 107,546.85

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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.