Home / 150,221.07-207,305.52-82,238.63

Finding the Fourth Proportional to 150,221.07, 207,305.52 and 82,238.63

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Solution

The fourth proportional to 150,221.07, 207,305.52 and 82,238.63 is: 113,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,221.07 : 207,305.52 = 82,238.63 : x
  2. Step 2: Convert to fraction form
    150,221.07/207,305.52 = 82,238.63/x
  3. Step 3: Cross multiply
    150,221.07x = 207,305.52 × 82,238.63
  4. Step 4: Simplify right side
    150,221.07x = 17,048,520,919.71
  5. Step 5: Solve for x
    x = 17,048,520,919.71/150,221.07
  6. Step 6: Final answer
    x = 113,489.55

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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.