Home / 146,523.69-202,191.87-81,984.36

Finding the Fourth Proportional to 146,523.69, 202,191.87 and 81,984.36

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Solution

The fourth proportional to 146,523.69, 202,191.87 and 81,984.36 is: 113,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,523.69 : 202,191.87 = 81,984.36 : x
  2. Step 2: Convert to fraction form
    146,523.69/202,191.87 = 81,984.36/x
  3. Step 3: Cross multiply
    146,523.69x = 202,191.87 × 81,984.36
  4. Step 4: Simplify right side
    146,523.69x = 16,576,571,059.15
  5. Step 5: Solve for x
    x = 16,576,571,059.15/146,523.69
  6. Step 6: Final answer
    x = 113,132.36

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1.5x scale

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.