Home / 150,601.40-207,836.48-90,160.40

Finding the Fourth Proportional to 150,601.40, 207,836.48 and 90,160.40

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Solution

The fourth proportional to 150,601.40, 207,836.48 and 90,160.40 is: 124,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,601.40 : 207,836.48 = 90,160.40 : x
  2. Step 2: Convert to fraction form
    150,601.40/207,836.48 = 90,160.40/x
  3. Step 3: Cross multiply
    150,601.40x = 207,836.48 × 90,160.40
  4. Step 4: Simplify right side
    150,601.40x = 18,738,620,171.39
  5. Step 5: Solve for x
    x = 18,738,620,171.39/150,601.40
  6. Step 6: Final answer
    x = 124,425.27

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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.