Home / 150,620.72-207,701.52-105,282.08

Finding the Fourth Proportional to 150,620.72, 207,701.52 and 105,282.08

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Solution

The fourth proportional to 150,620.72, 207,701.52 and 105,282.08 is: 145,180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,620.72 : 207,701.52 = 105,282.08 : x
  2. Step 2: Convert to fraction form
    150,620.72/207,701.52 = 105,282.08/x
  3. Step 3: Cross multiply
    150,620.72x = 207,701.52 × 105,282.08
  4. Step 4: Simplify right side
    150,620.72x = 21,867,247,390.33
  5. Step 5: Solve for x
    x = 21,867,247,390.33/150,620.72
  6. Step 6: Final answer
    x = 145,180.88

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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.