Home / 148,739.88-222,888.27-82,199.07

Finding the Fourth Proportional to 148,739.88, 222,888.27 and 82,199.07

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Solution

The fourth proportional to 148,739.88, 222,888.27 and 82,199.07 is: 123,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,739.88 : 222,888.27 = 82,199.07 : x
  2. Step 2: Convert to fraction form
    148,739.88/222,888.27 = 82,199.07/x
  3. Step 3: Cross multiply
    148,739.88x = 222,888.27 × 82,199.07
  4. Step 4: Simplify right side
    148,739.88x = 18,321,208,507.91
  5. Step 5: Solve for x
    x = 18,321,208,507.91/148,739.88
  6. Step 6: Final answer
    x = 123,176.17

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1.5x scale

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.