Home / 146,450.12-202,043.38-91,970.24

Finding the Fourth Proportional to 146,450.12, 202,043.38 and 91,970.24

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Solution

The fourth proportional to 146,450.12, 202,043.38 and 91,970.24 is: 126,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,450.12 : 202,043.38 = 91,970.24 : x
  2. Step 2: Convert to fraction form
    146,450.12/202,043.38 = 91,970.24/x
  3. Step 3: Cross multiply
    146,450.12x = 202,043.38 × 91,970.24
  4. Step 4: Simplify right side
    146,450.12x = 18,581,978,149.01
  5. Step 5: Solve for x
    x = 18,581,978,149.01/146,450.12
  6. Step 6: Final answer
    x = 126,882.64

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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.