Home / 151,422.94-207,450.38-145,747.72

Finding the Fourth Proportional to 151,422.94, 207,450.38 and 145,747.72

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Solution

The fourth proportional to 151,422.94, 207,450.38 and 145,747.72 is: 199,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,422.94 : 207,450.38 = 145,747.72 : x
  2. Step 2: Convert to fraction form
    151,422.94/207,450.38 = 145,747.72/x
  3. Step 3: Cross multiply
    151,422.94x = 207,450.38 × 145,747.72
  4. Step 4: Simplify right side
    151,422.94x = 30,235,419,898.13
  5. Step 5: Solve for x
    x = 30,235,419,898.13/151,422.94
  6. Step 6: Final answer
    x = 199,675.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.