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Finding the Fourth Proportional to 150,625.52, 207,865.24 and 82,641.26

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Solution

The fourth proportional to 150,625.52, 207,865.24 and 82,641.26 is: 114,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,625.52 : 207,865.24 = 82,641.26 : x
  2. Step 2: Convert to fraction form
    150,625.52/207,865.24 = 82,641.26/x
  3. Step 3: Cross multiply
    150,625.52x = 207,865.24 × 82,641.26
  4. Step 4: Simplify right side
    150,625.52x = 17,178,245,656.86
  5. Step 5: Solve for x
    x = 17,178,245,656.86/150,625.52
  6. Step 6: Final answer
    x = 114,046.05

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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.