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Finding the Fourth Proportional to 150,568.52, 207,778.32 and 90,103.46

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Solution

The fourth proportional to 150,568.52, 207,778.32 and 90,103.46 is: 124,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,568.52 : 207,778.32 = 90,103.46 : x
  2. Step 2: Convert to fraction form
    150,568.52/207,778.32 = 90,103.46/x
  3. Step 3: Cross multiply
    150,568.52x = 207,778.32 × 90,103.46
  4. Step 4: Simplify right side
    150,568.52x = 18,721,545,544.99
  5. Step 5: Solve for x
    x = 18,721,545,544.99/150,568.52
  6. Step 6: Final answer
    x = 124,339.04

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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.