Home / 231,728.51-347,724.25-125,111.04

Finding the Fourth Proportional to 231,728.51, 347,724.25 and 125,111.04

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Solution

The fourth proportional to 231,728.51, 347,724.25 and 125,111.04 is: 187,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,728.51 : 347,724.25 = 125,111.04 : x
  2. Step 2: Convert to fraction form
    231,728.51/347,724.25 = 125,111.04/x
  3. Step 3: Cross multiply
    231,728.51x = 347,724.25 × 125,111.04
  4. Step 4: Simplify right side
    231,728.51x = 43,504,143,576.42
  5. Step 5: Solve for x
    x = 43,504,143,576.42/231,728.51
  6. Step 6: Final answer
    x = 187,737.56

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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.