Home / 150,455.11-207,630.39-90,028.30

Finding the Fourth Proportional to 150,455.11, 207,630.39 and 90,028.30

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Solution

The fourth proportional to 150,455.11, 207,630.39 and 90,028.30 is: 124,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,455.11 : 207,630.39 = 90,028.30 : x
  2. Step 2: Convert to fraction form
    150,455.11/207,630.39 = 90,028.30/x
  3. Step 3: Cross multiply
    150,455.11x = 207,630.39 × 90,028.30
  4. Step 4: Simplify right side
    150,455.11x = 18,692,611,040.04
  5. Step 5: Solve for x
    x = 18,692,611,040.04/150,455.11
  6. Step 6: Final answer
    x = 124,240.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.